Part 1. Matching
Place the letter for the correct element category from the list below next to each description.
Part 2. Fill in the blank
Write the word or phrase that best completes each sentence. Choose from the following:
group, period, atomic number, periodic, metal, metalloid, nonmetal, chlorine, magnesium.
1. The elements on the periodic table are arranged in order of increasing _____________________.
2. The arrangement of the elements on the periodic table shows a predictable, repeating, ____________
pattern that allows us to predict chemical properties.
3. The elements Na, Mg, and Cu are each classified as ___________________ elements.
4. When elements are located in the same ______ they exhibit similar chemical and physical properties.
5. The element ________ is an example of an element that is classified as a nonmetal.
Part 3. Classifying
For each electron configuration identify the element and decide which group the element belongs to on the
periodic table. (Hint: Find the total number of electrons for each and refer to page 186 in your Student
Book to determine the element and group number.
Electron configuration Element Group number
1. 1s2
2s22p6.
2. 1s2
2s22p6
3s2.
3. 1s2
2s2
2p6
3s2
3p6
.
4. 1s2
2s2
2p6
3s2
3p6
4s2
.
5. 1s2
2s22p6
3s23p3.
A NATURAL APPROACH TO CHEMISTRY
_______
_______
_______
_______
_______ _______
_______
_______
_______
_______
1. ___ The element sodium (Na) belongs to this group of elements.
2. ___ These elements are not likely to chemically bond with other elements.
3. ___ These elements are located in the center of the periodic table.
4. ___ These elements tend to gain one electron to fill their outer shell and are sometimes colored gases.
5. ___ These elements have two electrons in their highest unfilled energy level.

Answers

Answer 1

Answer:

Try asking a friend or teacher

Explanation:

helps better than this site because alot of the answers are different even though they might of had the same test


Related Questions

What does a subscript indicate in a chemical formula?

A. The number of atoms of that element in the molecule

B. The number of bonds that element forms in the molecule

C. The position in the molecule that element occupies

D. The atomic number of the element in the molecule

Answers

A the number of atoms of that element in the molecule

Answer:

The number of atoms of that element in the molecule

Explanation:

You're welcome

Can someone check if I did this right pls

Answers

Answer:

It's right

Explanation:

mortal kombat 11 or the new cyber punk which do u think is better

Answers

Answer:

personally I like the mortal kombat 11 better

Answer:

mortal combat 11.

A 5 kg block
is pulled across a table by a horizontal force of 4O N with a frictional force ot 8N pOsing the motion. Calculate the acceleration of the oject. 12 An ahia iddt​

Answers

Answer:

By Newton's 2nd law, m*a=sum_of_forces where m is the mass and a the acceleration. Here there are two forces in opposed directions.

Thus 5*a=40-8=32 therefore a=32/5=6.4m^s/2

A dark blue beaker labeled 100 millimeters Y has an arrow leading to a pale blue beaker labeled 99 millimeters H subscript 2 O. This has an arrow leading to a white beaker labeled 99 millimeters H subscript 2 O. Each arrow has a label 1 milliliter over it. The dark blue beaker has a box below it labeled Beaker number 1. The pale blue beaker has a box below it labeled Beaker number 2. The white beaker has a box below it labeled beaker number 3.
Does taking 1 mL of solution Y (pure bleach) out of the first beaker change the solution’s concentration?

What would the concentration of the second beaker be?

If Beaker #2 is a 1% solution of Y, and Beaker #3 is 1/100th of that in the final solution, what percentage solution would Beaker #3 be?

Answers

Answer:

3, 5, 1000

Explanation:

I took the test.

Answer:The first one would be 3

The second is 5

And the last one is 1000

Explanation:

First to answer both CORRECTLY gets brainleist!

Answers

Answer: I am actually studying about Stars, so I got you.

3. As the temperature of a star Increases, it's luminosity increases.

As the temperature of a star decreases, it's luminosity decreases.

4. Hot and Bright. The bigger the star, the hotter it gets is from what I learned.

Answer: As the temperture of a main sequence star increases, the luminosity increases, vice versa

Cool and bright

Explanation:

how many significant figures are in the number 3×10⁶​

Answers

Answer:

1 significant figure

Explanation:

3×10^6 is 3,000,000

Non-zero digits are always significant

Any zeros between two significant digits are significant

A final zero or trailing zeros in the decimal portion ONLY are significant

Example:  .500 or .632000 the zeros are significant

                 .006  or .000968 the zeros are NOT significant

Create a sort of infomercial featuring a solution you created or designed.
Say a few statements about it.


please help​

Answers

Answer:

Informercials, like the class Shamwow Informercial are an example of how structure and technique can have a huge effect on how a user or prospect is driven towards taking a specific action like clicking a buy button.

Informercials follow a specific structure that any small business can use to drive action but few businesses ever consider using it when they pitch their product or service. In this post, we'll describe the structure and give you examples of how you can use it in your business.

The question above wants to test your ability to create an infomercial using your creativity. For that reason, I can't create an infomercial for you, but I'll show you how to create one.

First, you need to know that an infomercial is an advertisement made to be played on television, usually associated with sales, but can be used to present information.

Based on this, you should create your newsletter as follows:

Establish the element that your infomercial wants to present.Show what are the issues related to this element.Show the solutions you want to present to these problems.Show how these solutions are truthful and reliable.

In the image below, you can see a tutorial on how to make an infomercial.

More information:

https://brainly.com/question/12603070?referrer=searchResults

i sweari need ur help
3-Mention the trends in atomic size,atomic number,mass number,reactivity,boiling & melting points.

Answers

Answer:

1 sec......................

Answer:

happy halloween Baby i love you

Explanation:

Write the difference between isomerism and allotropy with one example each.

Answers

Answer:

hope it helps ..

Explanation:

Allotropes can be defined as different types of compounds made out of the same single element but in different chemical formulas and different arrangements. Isomers can be defined as the chemical compounds that have a similar molecular formula but with different structural formulae. Graphite and Diamond.

Ninety percent of plastic is made from the same stuff used to
manufacture:

Answers

Answer:

Polyethylene terephthalate

Hope this helps you Do mark as brainliest ✌️

two disadvantages of series connection?​

Answers

Answer:

1- if one component in a series circuit fails, then all the components in the circuit fail because the circuit has been broken.

2-  the more components there are in a series circuit, the greater the circuit's resistance

Rain is falling at 2.00 inches per hour. How many inches have fallen in 6000.0 seconds?

Answers

It is 2 because 60/30=2

List three organelles found in cells and describe their functions.

Answers

nucleus: controls cell

cell membrane: controls what goes in and out of a cell

cytoplasm: where chemical reactions take place

Answer:

Nucleus: DNA Storage

Mitochondrion Energy production

smooth Endoplasmic Reticulum (SER)   Lipid production; Detoxification

N= 0.785 mol N2
P= 1.5 atm
T= 301 K
V=?
FAST PLZ ​

Answers

Answer:

V=13.031L

Explanation:

Use the equation PV=nRT. n is moles, R is 8.31, T is temp in (K), and Pressure in KPa

Which best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape?
O They both contain three lone pairs of electrons around the central atom.
O They both contain three atoms around the central atom.
O The central atom of the trigonal planar molecule has two lone pairs around it, but the central atom of the trigonal
pyramidal molecule has only one.
O The central atom of the trigonal planar molecule has two atoms around it, but the central atom of the trigonal
pyramidal molecule has only one.

Answers

Answer:

B. They both contain three atoms around the central atom.

Explanation:

Answer: b

Explanation:

1. Based on its location, which element would you predict has chemical properties most
similar to argon (Ar)?
A. Chlorine (CI)
C. Nitrogen (N)
B. Helium (He)
D. Aluminum (Al)

Answers

i think the answer is chlorine because it is closest to argon and in the same period

Answer:chlorine

Explanation:

It’s the answer on the big test

Which metals have similar chemical properties?
barium
beryllium
rubidium
radium
titanium
calcium
platinum

Answers

Answer:

Barium

Beryllium

Radium

Calcium

Explanation:

A star's mass determines the —
A) shape of a Star
B) location of a star
C) length of its lifecycle
D) galaxy it belongs to

Answers

It’s either A or C sorry I can’t help more

All 6 sides of a cube measure 65mm. Calculate the volume of the cube in cm32

Answers

Same I need help also

PLEASE HELP IM ON A TIME LIMIT!!!!

Which mathematical statement shows the relationship between gravity and mass?

F g ~d^/m
F g~m/d^2
F g ~ m/d
F g ~m^2/d

Answers

Answer:

The corect answer is F g~m/d^2

Explanation:

Answer:

F g~m/d^2

Explanation:

Plz help or I get a zero!!!!!
Name the order of the planets from closest to the sun to farthest.
Sun, _________________, _________________, _________________, _________________,
_________________, _________________, _________________, _________________, Pluto
7. Name the inner planets.
Circle the correct term for inner planets: terrestrial (rocky) or gaseous
8. Name the outer planets.
Circle the correct term for outer planets: terrestrial (rocky) or gaseous

Answers

Answer:

Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Inner Planets: Mercury, Venus, Earth, Mars

Outer Planets: Jupiter, Saturn, Uranus, Neptune

Explanation:

.

what is the term for photosynthesis

Answers

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

How many moles of potassium are there in 1 kg of potassium?

Answers

Answer:

i think its 39 not to sure

Explanation:

Convert each measurement into scientific notation. For example, 8.73 Ms is the same as 8.73 x 106 because the “M” stands for 106
107pg

(I'm assuming I have to convert the 107pg but I am unsure of how to answer this)

Answers

Answer:

[tex]107pg = 107 \times {10}^{ - 12}g =1.07 \times {10}^{ - 10} g\\ because \: pico, \: p = {10}^{ - 12} .[/tex]

WHAT MAKES ELECTRONS JUMP TO OTHER ORBITS AROUND THE NUCLEUS THEN FALL AGAIN​

Answers

Answer:

Explanation:

Electrons absorb energy in photons. This makes the eclectron excited. An electron in an excited state can release energy and fall to a lower orbit

Which symbol and unit of measurement are used for resistance?
symbol: R: unit :
symbol: 0; unit: R
symbol: R: unit o
symbol: R: unit R

Answers

Answer:

Unit of resistance is Ω (Omega).

Explanation:

The ability to measure the oppose the flow of electric current is called resistance of a circuit. Its relation with voltage and current is given by Ohm's law as follows :

V = IR

R is resistance

Its unit is Omega and it is represented by Ω.

The unit of the electrical resistance is ohm Ω

The symbol of resistance is R.

Hence Option A) Symbol: R, Unit : Ω is the correct answer

What is resistance?

Resistance is simply the measure of the opposition to current flow in an electrical circuit.

Ohm’s law states that the potential difference between two points is directly proportional to the current flowing through the resistance.

V = I × R

Where;

V is the voltage or potential difference. I is the current.R is the resistance.

The unit of the electrical resistance is ohm Ω

The symbol of resistance is R.

Hence Option A) Symbol: R, Unit : Ω is the correct answer

Learn more about Ohm’s law here: brainly.com/question/2364325

#SPJ5


7. The density of gasoline is 0.70 g/cm². How many cm of gasoline have a mass of 80
g?
A 875 cm3
B 88 cm3
C 1,143 cm3
D 114 cm3

Answers

Answer Is C 1,143

Explanation:

Which step in the Scientific Method should be done after asking a question and before developing a hypothesis? A)analyze the data
B)communicate findings
C) conduct background research D)design an experiment​

Answers

This is so frustrating I don’t even understand this
I believe the best answer for this would be D) no matter what it can be A or B and C wouldn’t make much sense so D) design an experiment

what kind of rock requires heat and pressure to form?
A-sedimentary rock
b-igneous rock
c-clastic rock
d-metamorphic rock

Answers

Answer:

Sedimentary rock can change into metamorphic rock or into igneous rock. ... Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool.

Explanation:

answer: d-metamorphic rock

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