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Chemistry Review!

Total questions: 37

Worksheet time: 22mins

Name
Class
Date
1.

How do you find the number of neutrons in an atom?

a)

It's the same as the atomic #

b)

It's the same as the mass number

c)

Subtract the atomic # from the mass number

d)

Add the mass number and the atomic #

2.

How many neutrons does beryllium have?

a)

4

b)

5

c)

9

d)

13

3.

What is the atomic number of silicon?

a)

14

b)

28

c)

42

d)

7

4.

How many neutrons are in magnesium?

a)

12

b)

24

c)

25

d)

36

5.

How many electrons does oxygen have?

a)

8

b)

16

c)

2

d)

15

6.

An electron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

7.

A proton has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

8.

A proton has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

9.

A neutron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

10.
What is the charge on a lithium atom that looses 1 electron?
a)
+1
b)
0
c)
-1
d)
-2
11.
Is the element shown in this image an ion, isotope or normal atom?
a)
atom
b)
isotope
c)
cation (+ ion)
d)
anion (- ion)
12.
Which atom has  4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
13.

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

a)

Normal/Neutral Atom

b)

Ion

c)

Isotope

14.

A negatively charged ion that has gained electrons to satisfy the octet rule (metals do this)

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

15.

A positively charged ion that has lost electrons to satisfy the octet rule (non-metals do this)

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

16.

Atoms of the same element that have different mass than expected because they have a different number of neutrons.

a)

Neutral Atom

b)

Ion

c)

Isotope

d)

Cation

17.

If an atom has 9 protons and 10 electrons it has a charge of ____.

a)

0

b)

-1

c)

+1

d)

-2

18.

If an atom has 4 protons and 2 electrons it has a charge of ____.

a)

0

b)

-2

c)

+2

d)

+1

19.

If an atom has a charge of +3 and an atomic number of 5 it should have _______ electrons.

a)

1

b)

2

c)

3

d)

4

20.

If an atom has a charge of -2 and an atomic number of 16 it should have _______ electrons.

a)

14

b)

16

c)

18

d)

20

21.

If an atom has a charge of 0 (neutral) and an atomic number of 8 it should have ____ electrons.

a)

0

b)

8

c)

7

d)

9

22.
What is ionization energy?
a)
Energy required to remove an electron
b)
Energy needed to split an electron
c)
Energy required to add an electron
23.

Ionization energy __________ as you go across a period

a)

stays the same

b)

decreases

c)

increases

24.

Ionization energy __________ as you go down a group.

a)

stays the same

b)

decreases

c)

increases

25.

Which element has the greater ionization energy?

a)

Magnesium (Mg)

b)

Phosphorus (P)

26.

Which element has the greater ionization energy?

a)

Iodine (I)

b)

Chlorine (Cl)

27.

Why is there a large jump in ionization energy 1 and 2 for Lithium?

a)

the valence electrons are harder to lose than core electrons

b)

the valence electrons are easier to lose than core electrons

28.

Where is there a big jump of ionization energy increase for the element Silicon(Si)?

a)

between 1 and 2

b)

between 6 and 7

c)

between 7 and 8

d)

between 4 and 5

29.

Which of the following lists the atoms in order of increasing Ionization energy?

a)

calcium, iron, copper

b)

copper, iron, calcium

c)

calcium, copper, iron

d)

iron, copper, calcium

30.

Which element's atom is larger? Nitrogen or Phosphorus?

a)

Nitrogen

b)

Phosphorus

31.

Which element's atom is the smallest?

a)

Rhodium

b)

Silver

c)

Cadmium

d)

Tin

32.
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
33.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
34.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
35.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
36.

Which has the greater electronegativity:

N or C?

a)

C

b)

N

37.

Which has the greater electronegativity:

Cl or Al?

a)

Cl

b)

Al

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