Please help me.... someone deleted my question before so I'm trying again.

Please Help Me.... Someone Deleted My Question Before So I'm Trying Again.

Answers

Answer 1

Answer:

See Explanation.

Explanation:

Element Name: Neon (check a periodic table)

Atomic Number: 10 (number of protons)

Atomic Mass: 20 (number of protons + number of neutrons [electrons have negligible mass])

Protons: 10 (P in the black circle)

Electrons: 10 (number of red dots)

Neutrons: 10 (N in the black circle)

Valence Electrons: 8 (number of red dots on the outermost ring)

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Related Questions

Please help me! with this ty

Answers

Answer:

Neutron

Explanation:

Protons have a positive charge

Electrons have a negative charge

Neutrons have a neutral charge

what is the expected charge for nitrogen in an ionic compound?

Answers

Answer:

3−

Thus, a nitrogen atom will form an anion with three more electrons than protons and a charge of 3−.

Explanation:

. Is it possible to have an oxygen atom with 8 protons and another oxygen atom with 9 protons? Explain.

Answers

Answer:

no

Explanation:

changing the number of protons will change the atomic number, and if the atomic number is changed, it will become a different element. if you give oxygen 9 protons, it would no longer be oxygen, it would be fluoride.

Which statement is always true when nuclear fusion occurs?(1 point)

The total number of protons and neutrons in each nucleus remains constant.

The number of protons in the resulting nucleus is double that of a starting nucleus.

The combined number of protons and neutrons remains constant.

The number of protons in the resulting nucleus is less than in each starting nucleus.


Use the equation to answer the question.


21H+ 21H→ 42H+energy

Which statement best describes the mass numbers of the atoms in the reaction?


(1 point)



There are two atoms with mass numbers of 2.

There is one atom with a mass number of 2.

There are two atoms with mass numbers of 1.

There is one atom with a mass number of 1.


Which fact is true during a fission chain reaction?(1 point)

The number of freely-moving neutrons increases over time.

The total number of protons will decrease over time.

The total number of protons will increase over time.

The number of freely-moving neutrons decreases over time.

Plsss help

Answers

Answer: Which statement is always true when nuclear fusion occurs: The combined number of protons and neutrons remains constant.

21H+ 21H→ 42H+energy

Which statement best describes the mass numbers of the atoms in the reaction? There are two atoms with mass numbers of 2.

Which fact is true during a fission chain reaction? The number of freely-moving neutrons increases over time.

Explanation:

The statement which is always true when nuclear fusion occurs is "the combined number of protons and neutrons remains constant".

What is nuclear fusion?

Nuclear fusion is a type of reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.

The equation 21H+ 21H→ 42H+energy represent that there are two atoms with mass numbers of 2.

The true statement during a fission chain reaction is "the number of freely-moving neutrons increases over time".

Fission chain reaction is a process in which neutrons released in fission produce an additional fission in at least one further nucleus. This nucleus in turn produces neutrons, and the process repeats.

Read more on Radioactivity:

https://brainly.com/question/2320811

do carbon dioxide and water have the same molecular geometry?

Answers

Answer:

No, the molrcules of water are different from carbon dioxide

Hope it helps you¯\_(ツ)_/¯

correct me if im worng

#Carryonlearning

I need help with these questions coz I’m colourblind. Pls help.

Answers

Answer:

1. In black 6 dyes were used and in green 3 dyes were used

2. 7 dyes were used overall

3. 2-3 blues were used

4. yellow in brown and orange are similar shade

Not sure about the other image

Write down the ratio of the atom present in the formula for each of the compound. a) Sodium Carbonate , Na2CO3 b) Glucose, C6H12O6​

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Answer:

what subject is this? science?

Save the ________ used to extract metals.

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Answer:

Save the *minerals* used to extract metals.

Can some one please give me the answers

Answers

6. Solid
7. The same as the container
1. False
2.(? Sorry)
1.B
2.C
3.(?)
4. D

which is the property of nonmetals to evaporate easily?

Answers

Answer:

Volatile

Explanation:

Nonmetal are usually volatile, which means it evaporate easily.

I need help with this, I need to know what they mean cause I don’t understand it.

Answers

Answer:

The measure of central tendency helps you find the middle or the average, of a data set.  The three most common measures of central tendency are the mean, median and mode.  The mean is the most frequent value. The median is the middle number in an ordered data set. The mean is the sum of all values divided by the total number of values

Explanation:

Sum of Data  (mean)           Data in size order (median)                Mode

2 +1 + 4+7 + 1 = 15                    1,    1 ,    2,     4,      7                   Most common

15 /5 =  3                                                                                      value is 1                                                                                      

Mean = 3                                        Median  =  2                         Mode = 1

Explain and define the angular momentum quantum number without the internet

Answers

Answer:

The angular momentum quantum number, l, describes the shape of the orbital that an electron occupies. The lowest possible value of l is 0, and its highest possible value, depending on the principal quantum number, is n - 1.

what is irriversable change​

Answers

Answer:

Paper burning

Explanation:

a chemist has synthesized a greenish-yellow gaseous compound that contains only chlorine and oxygen and has a density of 7.71 g/l at 36.0 degrees celsius and 2188.8 mm hg. what is the molar mass of the compound?

Answers

b.c10²

i dont know if it is right sorry if isn't

Explain the role of sunlight in the process of photosynthesis

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Answer:

When the sun's rays shine down on a plant, the chlorophyll capture the energy from the sun and use it during photosynthesis to make sugars. Sugar is the energy source for plants, that is why sunlight and photosynthesis is so important

The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas.

What is The particle in the nucleus of an atom that has the same mass of protons but no net charge

Answers

Answer:

neutron

Explanation:

neutron and proton has approximately the same mass .proton is positively charged but neutron has no charge

Chemical properties of earth metals-

Answers

Answer:

highly reactive at standard temperature and pressurereadily lose their outermost electron to form cations with a charge of +1

Complete the following nuclear equation.

Answers

Answer:

oxygen-17

Explanation:

sum of the mass numbers and sum of the atomic numbers should be same in the both sides respectively

arsenic has an atomic number of 33 and an atomic mass of 75 amu. how many protons are in the element? help is very appreciated! :)

Answers

Answer:

33

Explanation:

as the atomic number states the number of protons in each element hope this helps :)

Two or more than two atoms with different physical or chemical properties can not combine together to form an element.  The number of proton is 33 when the atomic number is 33 and atomic mass is 75amu.

What is element?

Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same. Every element has different atomic number.

For a given element

atomic number= number of protons = number of electrons

For given arsenic element atomic number is 33 so according to above relation, we can find the number of protons easily.

atomic number=33

number of protons =33

Therefore, the number of proton is 33 when the atomic number is 33 and atomic mass is 75amu.

To know more about element, here:

https://brainly.com/question/8460633

#SPJ2

What is carbon so good for forming the structure of life

Answers

Answer:

Because its the basic building block of life

Explanation:

Carbon is essential to life since it is present in nearly all molecules in the body. like, sugars, DNA, proteins, lipids, and so on. Except for water though.

please help, I don't understand chemistry at all.
Density is a physical property of a molecule that’s measured as mass per unit volume.
(a) Given that density is usually expressed in the units of g/cm3
, calculate the density of a cube of plastic that
has a mass of 2.331 g and an edge length of 1.500 cm (volume of a cube is V = l^3
).

Answers

Answer:0.691 g/cm^3

Explanation: Density tells us how much mass there is per unit volume of a material.  If one has a density of 2 g/cm^3, then a 2 cm^3 chuck of it whould have a mass of (2 g/cm^3)*(2 cm^3) = 4 g.

Since the plastic is in the form of a cube, we can calculate it's volume with the relationship V = l^3, where l is the length.  (A box would have a volume of lengthx width x height, but for a cube, l=w=h, so the equation becomes V = l^3.

The colume of the plastic cube is (1.5cm)^3 or 3.375 cm^3.  Since this cube has a mass of 2.331 g, we can divide that mass by the cube's volume to find density:

(2.331 g)/(3.375 cm^3) = 0.691 g/cm^3

How many moles are in 13.5g of calcium?

Answers

Answer:

=0.337mol Ca this is the correct answer :)

What the cm and mm for this

Answers

Answer:

5 cm and 50 mm

Explanation:

1 cm = 10 mm

So 5cm = 50 mm

help me with this:(((​

Answers

Answer:

13. A. Kinetic energy increases

14. A. Kinetic energy

15. B. is not transferable

Sorry if I got any wrong, they should be all correct. I tryed.

what is the name for the type of subatomic particle that is electrically neutral and found in the nucleus of an atom?

Answers

answer : Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen.

how much phone data do teens use on a daily basis

Answers

Answer:

Teens use more phone data then adults because of apps, photos and other things. There is not a certain number for how much data teens use but research says teens use up more than a half of a phone storage. Teens spend from 3-4 hours on phone because of limits but they could spend a whole day.

Explanation:

A scientist discovers an object in the solar system. She describes it as bigger
than an asteroid, smaller than Mercury, and farther from the sun than Neptune.
What kind of object could it be? Explain.

Answers

Answer:

Pluto I think it's the ans

PLEASE HELP! NO LINKS!!
WILL MARK BRAINLYIST :)

The Periodic Table of Elements contains many patterns that help explain the characteristics of elements. Choose one pattern you have learned and explain what it tells us about elements.​

Answers

Answer:

let's look at the far left column of the periodic table. this pattern tells us that these elements are the noble gases. Noble gas is all conduct electricity and they are all odorless and colorless. The Roman numeral above this column means that there is one free electron (valence electron) in the outer shell, except for helium which has two. That's why it's a different color from the rest in the same column.

does freezing involve a chemical reaction

Answers

Yes it is a change so that means there is a chemical reaction it changes liquid to a solid

What is the density of this cube?

32 g/cm3

16 g/cm3

64 g/cm3

4 g/cm3

Answers

Answer:

32gcm3

so yea i hope this helps u

Answer:

4 g / cm^3

Explanation:

Mass = 32 g

Volume of cube = 2 x 2 x 2 = 8 cm^3

Formula : -

Density = Mass / Volume

Density = 32 / 8

Density = 4 g / cm^3

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