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Periodic Trends (HS-PS1-1)

Total questions: 33

Worksheet time: 50mins

Name
Class
Date
1.

What is the atomic mass of this atom?

a)

1

b)

3

c)

4

d)

7

2.

What is the atomic number?

a)

the number of protons

b)

the number of protons and neutrons combined

c)

the number of neutrons

d)

the number of protons and electrons combined

3.
What is the atomic number of Nickel? (enlarge the periodic table)
a)
110
b)
28
c)
46
d)
78
4.
An element has the mass number 12 and atomic number  6. The number of neutrons in it is:
a)
6
b)
10
c)
4
d)
8
5.
If an atom has 10 electrons, how many protons does it have?
a)
0
b)
1
c)
10
d)
5
6.

How many neutrons are in a sodium atom with a mass of 17 amu?

a)

23

b)

12

c)

6

d)

17

7.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
8.
What element has 20 protons? (Use your periodic table.)
a)
Potassium (K)
b)
Calcium (Ca)
c)
Nitrogen (N)
d)
Neon (Ne)
9.

What is a Bohr Model?

a)

a simplified representation of an atom

b)

vertical column in periodic table

c)

horizontal row in periodic table

d)

Only shows the element symbol and it's outer most electron shell

10.

How many electrons can go in the first energy level?

a)

2

b)

8

c)

18

d)

32

11.

How many electrons can go in the second energy level?

a)

2

b)

8

c)

18

d)

32

12.

What is a Lewis dot diagram?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

13.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

14.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
15.

Is this a correct dot diagram for fluorine (F)

a)

Yes

b)

No

16.

What is the correct lewis dot diagram for Boron?

a)

b)

c)

d)

17.

What is the number of valence electrons for the following model?

a)

one

b)

two

c)

four

d)

five

18.

What element is represented in this Bohr Model? 

a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
19.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)

There are 2 bromine ions for every magnesium ion

b)

Bromine has a 2- charge

c)

Bromine has a 2+ charge

d)

There are 2 magnesium ions to every bromine ion

20.
Which is the correct name for CaBr2?
a)

calcium dibromide

b)

bromine calcium

c)

calcium bromide

d)

carbon and bromine

21.
What is the name for CaS?
a)
calcium sulfate
b)
calcium sulfide
c)
calcium monosulfide
d)
monocalcium monosulfide
22.

Ionic bonds are between...

a)

Metal and Nonmetal

b)

Nonmetal and Nonmetal

23.

Covalent bonds are between...

a)

Metal and Nonmetal

b)

Nonmetal and Nonmetal

24.

How are ionic bonds formed?

a)

electrons are transferred

b)

electrons are shared

25.

How are covalent bonds formed?

a)

electrons are shared

b)

electrons are transferred

26.

What is the formula for phosphorus trichloride?

a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
27.

What is the formula for dinitrogen pentoxide?

a)

N2O5

b)

NO5

c)

N5O2

d)

N2O6

28.

What type of bonding uses prefixes?

a)

Ionic

b)

Covalent

29.

What is the correct formula for potassium oxide?

a)

KO2

b)

KO

c)

K2O

d)

OK2

30.

What is the correct name for SrF2?

a)

fluoride strontium

b)

strontium fluorine

c)

strontium diflluoride

d)

strontium fluoride

31.

Arrange the elements S, Cl, and F in terms of increasing atomic radius.

a)

S, Cl, F

b)

Cl, F, S

c)

F, S, Cl

d)

F, Cl, S

e)

S, F, Cl

32.

Arrange the elements S, Cl, and F in terms of increasing electronegativity.

a)

S, Cl, F

b)

Cl, F, S

c)

F, S, Cl

d)

F, Cl, S

e)

S, F, Cl

33.

Which of the following elements is most likely to form a negative ion with a charge of -1?

a)

Ba

b)

Ca

c)

Si

d)

P

e)

Cl

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