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Lewis Dot + Mixed Review

Total questions: 50

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
2.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
3.

Which Lewis Dot Model drawing correctly shows an O2 molecule?

a)
b)
c)
d)
4.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
5.
Which of the following is the correct Lewis structure for water?
a)
A
b)
B
c)
C
6.

Why do carbon, silicon, and tin all react similarly?

a)

They are located in the same period

b)

They have an even atomic number

c)

They have the same number of energy levels

d)

They are located in the same group

7.

What do Rb, Re, and I have in common?

a)

family

b)

number of energy levels

c)

location of discovery

d)

valence electrons

8.

What is the valence electron count of the alkaline earth metal family?

a)

-2

b)

-1

c)

2

d)

1

9.

The diagram below is the bohr model of an atom. Which best describes this atom?

a)

it has a full outermost shell

b)

it has 6 valence electrons

c)

it has a positive charge

d)

it has 6 electrons

10.

What is the correct lewis dot diagram for Boron?

a)
b)
c)
d)
11.

Which element is most similar to potassium (K)

a)

argon

b)

chlorine

c)

phosphorus

d)

sodium

12.

By replacing the element symbol, this could be a diagram of which element?

a)

Li

b)

Al

c)

C

d)

Be

13.
Each line in a Lewis Structure represents __________ electron(s).
a)
3
b)
2
c)
1
d)
4
14.

What is a cation?

a)

a metal with a negative (-) charge that gains electrons

b)

a non-metal with a negative (-) charge that loses electrons

c)

a metal with a positive (+) charge that loses electrons

d)

a non-metal with a positive (+) charge that loses electrons

15.

What is a anion?

a)

a metal with a negative (-) charge that loses electrons

b)

a non-metal with a negative (-) charge that gains electrons

c)

a metal with a positive (+) charge that gains electrons

d)

a non-metal with a positive (+) charge that loses electrons

16.

What is a valence electron?

a)

electron found in a middle shell

b)

electron found in outermost shell

c)

electron found in innermost shell

d)

electron not found in a shell

17.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
18.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
19.

How many valence electrons are available for PO4 3-?

(a)  

20.

How many valence electrons are available for NBr3?

(a)  

21.

How many valence electrons are available for CH4?

(a)  

22.

How many valence electrons are available for HBr?

(a)  

23.

How many valence electrons are available for OF2?

(a)  

24.

How many valence electrons are available for F2?

(a)  

25.

What is the atomic number of carbon?

a)

4

b)

6

c)

8

d)

10

26.

What is the atomic number of oxygen?

a)

6

b)

7

c)

8

d)

9

27.
Mass Number is--
a)
the number of protons + neutrons
b)
the number of protons
c)
the number of electrons +protons +electrons
d)
the same as atomic number
28.
How many protons does He have?
a)
4
b)
2
c)
6
d)
0
29.
The top number in this isotope notation is
a)
the mass number
b)
the atomic number
c)
the atomic mass
d)
the neutron number
30.

The atomic mass of Palladium (Pd) is 106.4. How many protons are in its nucleus?

a)

106

b)

46

c)

60

d)

Maybe 48.

31.

I am an isotope of an atom with a mass number of 206. My nucleus contains 125 neutrons. Who am I?

a)

lead

b)

thallium (Tl)

c)

bismuth (Bi)

d)

mercury

32.

Consider: 122Sb3-

Check all that apply.

a)

122 neutrons

b)

51 protons

c)

54 electrons

d)

48 electrons

e)

71 neutrons

33.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
34.
If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?  
I. 7735X  II. 7733X  III. 8137X  IV. 8135 X
a)
I and II
b)
III and IV
c)
I and IV
d)
I and III
35.

How many moles of sodium chloride are in a 321.8 g sample? The molar mass of sodium chloride is 58.443 g/mol.

a)

18810 moles

b)

3.315 x 1024 moles

c)

5.507 moles

d)

4.767 moles

36.

If you use of 0.672 moles of magnesium. How many liters of magnesium would you need in the graduated cylinder?

1 mole = 22.4 Liters

a)

0.15L Mg

b)

15.05L Mg

c)

105L Mg

d)

19.05L Mg

37.

What is the configuration for Carbon?

a)

1s2 2p2

b)

1s2 2s2 2p2

c)

1s1 1s2 2s2 2p2

38.

Iron (Fe) configuration is

a)

1s2 2s2 2p6 3s2 3p3

b)

1s2 2s2 2p6 3s2 3p6 4s2

c)

1s2 2s2 2p6 3s2 3p6 4s2 3d6

d)

1s2 2s2 2p6 3s2 3p6 4s2 4d6

39.

Which element is 1s2 2s2 2p6 3s2 3p6 4s2 3d7?

a)

Cobalt

b)

Nickel

c)

Manganese

d)

Chromium

40.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
41.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
42.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
43.
What is the noble gas configuration for Sulfur?
a)
[Ar] 3p4
b)
[He] 3s2 3p4
c)
[Ne] 3s2 3p4
d)
[Na] 3s2 3p4
44.
[Ne]3s23p1 is the noble gas configuration for which element?
a)
scandium
b)
boron
c)
nitrogen
d)
aluminum
45.
Which has the greater EN: 
Cl or Al?
a)
Cl
b)
Al
46.
Which has the greater EN: 
N or C?
a)
C
b)
N
47.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
48.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
49.
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....
a)
decreases
b)
increases
c)
remains the same
d)
none of the above
50.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons