When an atom is trying to obtain stability, what part(s) of the atom change(s)?

Answers

Answer 1

Answer: If the outer shell is filled, the atom is stable. Atoms with unfilled outer shells are unstable, and will usually form chemical bonds with other atoms to achieve stability.

(hope this helps ^^)


Related Questions

Tobacco use: The _____ _______ cause of ______ death

Answers

Answer:

Tobacco use: The most preventable cause of cancer death

Explanation:

cancer might not be right

The melting and boiling points of a group of elements decrease as you go down the group, while their reactivity increases.
a.. Are the elements from the first group or the second last group of the Periodic Table?
b ..Does this group consist of metals, metalloids, non-metals or a mix?
c.. Identify two elements in this group.​

Answers

Answer:

a) first group

b) metals

c) K - potassium, Li - lithium

Explanation:

a) they are the alkali metals

b) they're alkali metals lol

c) just look at a periodic table :P

Scientific knowledge is open to change as new information is discovered. Which of the following would NOT be a result of new scientific knowledge?

A
Scientists discover that a type of fungus on this log does not require oxygen for absorption and change the classification system.

B
Scientists publish an article that mentions the historic decline in the population of blue stain fungi.

C
Scientists classify a recently discovered bacterium living on this log using generally accepted naming procedures.

D
Scientists discover a bacterium living on this log that is multicellular and revise their classification

Answers

B would be the answer

A field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges is called alan a Magnetic field b Electric field Electrostatic field d All of the above​

Answers

Answer: magnetic field

A field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges is called a Magnetic field.

What is a magnetic field?

The magnetic subject is the region around a magnet in which the effect of magnetism is felt. We use the magnetic area as a device to describe how the magnetic force is shipped inside the area around and inside something magnetic in nature.

Why magnetic area is important?

The magnetic area is extremely critical to maintaining lifestyles in the world. without it, we'd be exposed to excessive amounts of radiation from the solar, and our environment would be unfastened to leak into space.

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What are the possible consequences of adding a chemical to the environment

Answers

Answer:

The release into the air of chemicals and particles can cause direct damage to the troposphere (air pollution); alter the composition and function of atmospheric layers (greenhouse effect) or other indirect damages (ozone layer depletion).

Explanation:

Ruins the soil and the weather

Need help ASAP..... (0.567 liters of H2O is how many moles of H2O? HINT: 1 mL H20 = 1 gram
H20)

Answers

Answer:

31.5 moles

Explanation:

Volume of H2O = 0.567 L

Number of mole of H2O =.?

Next, we shall convert 0.567 L to millilitres (mL). This can be obtained as follow:

1 L = 1000 mL

Therefore,

0.567 L = 0.567 L × 1000 mL / 1 L

0.567 L = 567 mL

Thus, 0.567 L is equivalent to 567 mL.

Next, we shall convert 567 mL to grams (g). This can be obtained as follow:

1 mL of H2O = 1 g

Therefore

567 mL of H2O = 567 g of H2O

Finally, we shall determine the number of mole in 567 g of H2O. This can be obtained as follow:

Mass of H2O = 567 g

Molar mass of H2O = (2×1) + 16

= 2 + 16 = 18 g/mol

Mole of H2O =?

Mole = mass /Molar mass

Mole of H2O = 567 /18

Mole of H2O = 31.5 moles

If 116 g of butane burns in the presence of 320. g of oxygen how much carbon dioxide will be produced? CO2 produced in grams

Answers

Answer:

270.77 g of CO2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

2C4H10 + 13O2 —> 8CO2 + 10H2O

Next, we shall determine the masses of C4H10 and O2 that reacted and the mass of CO2 produced from the balanced equation. This can be obtained as follow:

Molar mass of C4H10 = (12×4) + (10×1)

= 48 + 10 = 58 g/mol

Mass of C4H10 from the balanced equation = 2 × 58 = 116 g

Molar mass of O2 = 2 × 16 = 32 g/mol

Mass of O2 from the balanced equation = 13 × 32 = 416 g

Molar mass of CO2 = 12 + (16×2)

= 12 + 32 = 44 g/mol

Mass of CO2 from the balanced equation = 8 × 44 = 352 g

Summary:

From the balanced equation above,

116 g of C4H10 reacted with 416 g of O2 to produce 352 g of CO2.

Next, we shall determine the limiting reactant. This can be obtained as follow:

From the balanced equation above,

116 g of C4H10 reacted with 416 g of O2.

From the above, we can see that a higher mass of O2 i.e 416 g than what was given i.e 320 g his needed to react completely with 116 g of O2. Therefore, O2 is the limiting reactant and C4H10 is the excess reactant.

Finally, we shall determine the mass of CO2 produced from the reaction.

In this case, we shall use the limiting reactant because it will give the maximum yield of CO2.

The limiting reactant is O2 and the mass of CO2 produced can be obtained as follow:

From the balanced equation above,

416 g of O2 reacted to produce 352 g of CO2.

Therefore, 320 g of O2 will react to produce = (320 × 352)/416 = 270.77 g of CO2.

Thus, 270.77 g of CO2 were obtained from the reaction.

Right amount of gravity​

Answers

the answer is: 9.80665

But gravity is the earths mass that holds you to the ground and if we had no gravity we would just be floating and not walking on ground

Which organelle is marked with an X?

Answers

The Lysosome is marked with an x

Which of these are trends of elements as you go down a group?
a.. The atomic number increases.
b ...The number of electrons in the outermost shell increases.
c ...The number of filled electron shells increases.
d...The mass and size of the atoms increase
e...The elements change from being metallic to non-metallic.

Answers

Answer:

c. the number of filled electrons shells increases

Answer:

the answer is c

What are the four main types of tissues in the human body?

epithelial

dermal

vascular

connective

muscle

nervous

Answers

Answer:

epithelium, muscle, connective tissue and nervous tissue.

Explanation:

Explanation:

Epithelial

Connective

Muscle

Nervous

(3.1 x 10^3) (1.00 x 10^7) =

Answers

Answer:

(3.1 x 10^3) (1.00 x 10^7) = 31000000000

5. Explain why the particle diagram below represents a chemical change.
plsss help!!!

Answers

Answer:

the atoms are rearranged

Explanation:

they are just in a diff order

The particle diagram represents a chemical change because the breaking of old chemical bonds and the formation of new chemical bonds occurs and a completely new substance is formed.

What is the chemical change?

A chemical change is when a chemical substance is completely transformed into one or more different types of substances. Chemical changes occur through chemical reactions and result in substances with different and new chemical and physical properties.

Chemical changes are irreversible in nature and are also known as permanent changes. When chemical responses occur, the molecules are modified and joined by an energy change as new molecules are produced.

Examples of chemical changes: burning of coal, rusting of iron, digestion of food, adding vinegar to baking soda,  germination of seeds, ripening of fruits, cooking an egg, etc.

The given diagram is quite similar to the water formation reaction:

2H₂   + O₂  [tex]\longrightarrow[/tex] 2H₂ O

In which the bond between the hydrogen atoms and oxygen atoms is broken and the formation of the O-H bond, therefore, is a chemical change.

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solve this very easy choose option fast​

Answers

Answer:

i think its alcohol and salt because they put salt on the ground to dissolve the snow so what I think is its alcohol and salt cuz they both look like they would evaporate pretty easy and alcohol evaporates really really easy so I think it's alcohol and salt because salt May absorb it or something I don't know but yeah

Answer: alcohol and iodide

Explanation:

in what and what no energy is used?

Answers

Answer:

Energy is used when someone is climbing while energy is not used when someone is going down the slope

I don't know what I'm supposed to do, can someone explain this to me please???

Answers

Answer:

You would just put the definition and what it means im pretty sure

Explanation:

I hope this helps!!

Calcium reacts with oxygen to make calcium oxide, CaO. What is the theoretical yield (g) of CaO(s) that could be prepared from 7.75 g of Ca(s) and 2.44 g of O2(g)

Answers

Answer:

Explanation:

2Ca    +    O₂   =    2CaO

80 g     32 g         112 g

given amount of Ca = 7.75 g

it will require oxygen =  32 x 7.75 / 80 = 3.1 g

but available oxygen = 2.44 so oxygen is the limiting reagent .

32g oxygen reacts with calcium to give 112 g of calcium oxide

2.44 gram of oxygen reacts with calcium to give 112 x 2.44 / 32 of CaO .

= 8.54 gram .

Theoretical yield of CaO = 8.54 gram.

How many moles are in 2.16 x 1026 atoms of magnesium?*

Answers

Answer:

The answer is 358.80 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\ [/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{2.16 \times {10}^{26} }{6.02 \times {10}^{23} } \\ = 358.80398671...[/tex]

We have the final answer as

358.80 moles

Hope this helps you


Doing Calculations The metal thallium occurs naturally as 30 percent thallium-203 and 70
percent thallium-205. Calculate the atomic mass of thallium. Enter your numerical answer in
the blank provided please help

Answers

Answer:

Average atomic mass of thallium = 204.4 amu.

Explanation:

Given data:

Abundance of thallium-203 = 30%

Abundance of thallium-205 = 70%

Average atomic mass = ?

Solution:

Average atomic mass of thallium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass of thallium = (30%×203)+(70%×205) /100

Average atomic mass of thallium =  6090 + 14350 / 100

Average atomic mass of thallium = 20440 / 100

Average atomic mass of thallium = 204.4 amu.

Ok here is the next one
I’m counting on you
Thanks.

Answers

food moves through the mouth by muscle movement

Sodium chloride can be used to preserve meat because​

Answers

Answer:

Salt is effective as a preservative because it reduces the water activity of foods. .

The process during which a substance changes from a solid directly to a gas without becoming a liquid is known as: Example(dry ice)

A)
condensation.
B)
fusion.
C)
melting.
D)
sublimation.

Answers

The answer is sublimation

The law of _____ states that the mass of the reactants will equal the mass of the products.
1. conservation of momentum
2. inertia
3. conservation of mass
4. conservation of energy

Answers

Answer:

law of conservation of mass

Explanation:

I WILL MARK YOU THE BRANLIEST!!!
Which property shows that electrons are quantized?

A. Electrons are attached to protons.
B. Each electron has its own "address."
C. Each electron carries a charge.
D. Electrons have very little mass.

Answers

Answer:

B. Each electron has its own "address."

Explanation:

This is the correct answer.

Good luck with the rest, and have a good day : )

Each electron has its own "address." Therefore, the correct option is option B among all the given options.

What is quantization?

The elementary electric charge of the electron is a negative one, making it a subatomic particle. Due to their lack of components or substructure, electrons, which are part of the lepton particles family's first generation, are typically regarded to be elementary particles. The mass of an electron is roughly 1/1836 that of a proton.

The electron has a half-integer intrinsic rotational momentum that is represented in terms of the decreased Planck constant,, among its quantum mechanical features. The rule of exclusion developed by Pauli states that because electrons are fermions, no two of them may be in the same quantum state. Since they're capable of collide against other particles as well as can be bent like light, electrons, like all primary particles, display both wave and particle characteristics.  Each electron has its own "address."

Therefore, the correct option is option B.

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What is the molecular geometry of the atoms bonded to the carbon atom indicated with arrow I in this structure of caffeine?

Answers

Answer:

Trigonal planar

Explanation:

If we look at the carbon atom indicated I in the image, we will discover that it is a carbon atom that is bonded to a nitrogen atom via a double bond.

Recall that an sp2 hybridized carbon atom has a trigonal planar geometry. When a carbon atom is sp2 hybridized, it is in a trigonal planar geometry as we can clearly see from the image.

the kinetic molecules theory helps explain relastionships between ​

Answers

Answer:

hi :D

Explanation:

State the relationship between temperature and kinetic energy. The Kinetic Molecular Theory allows us to explain the existence of the three phases of matter: solid, liquid, and gas. In addition, it helps explain the physical characteristics of each phase and how phases change from one to another.

hope this helps

._.

...

is a dolerite a mineral or a rock

Answers

Answer:

rock is the correct answer

Explanation:

Answer: here's the thing: rocks are minerals.Well, made out of them. so you can say that dolerite is a rock, but it is made out of minerals

Explanation:

Which elements is the most reactive on this table?

Answers

Answer:

alkali metals

Explanation:

alkali metals only have one valence electron, meaning they are extremely reactive. they are considered the most reactive on the periodic table.

calculate the molarity of a solution made by dissolving 3.7 moles of sodium chloride in 8.7 liters of water? ​

Answers

Answer:

Molarity = 0.425 M

Explanation:

Given data:

Number of moles = 3.7 mol

Volume of solution = 8.7 L

Molarity of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Molarity = 3.7 mol/8.7 L

Molarity = 0.425 M

QUESTION 1
Consider the following reaction: CH4 + 202 --> 2H2O + CO2
How many moles of water can be formed from 1.1 moles of CH4?

Answers

Answer: 2.2 mols H2O
Explanation: This one is a lot easier than it seems! All you have to do is multiply 1.1 by the mole ratio(look at the coefficients)
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