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Periodic Table 2

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.
Atoms gain lose, gain, or ______electrons to get a stable outer energy level.
a)
share
b)
split
c)
create
d)
destroy
2.
A _______ is a charged particle because it has more or fewer electrons than protons.  When an atom _____ an electron, it becomes a positively charged ion.  When an atom ____an electron, it becomes a negatively charged ion.
a)
isotope, gains, loses
b)
isotope, loses, gains
c)
ion, loses, gains
d)
ion, gains, loses
3.

This atom will

a)

lose 1 electron

b)

gain 1 electron

c)

lose 7 electrons

d)

gain 7 electrons

e)

do nothing

4.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

5.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

6.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

7.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

8.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

9.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number in front of a chemical formula.
c)
The number in between the chemical symbols.
d)
The number behind a chemical formula.
10.
What is the little number after an element in a chemical equation called.
Example: H2
a)
Coefficient 
b)
Subscript
c)
Atom
d)
Equation
11.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO 
a)
1
b)
2
c)
3
d)
4
12.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
13.
Is this balanced?
Al + O2 → 2Al2O3
a)
Yes
b)
No
14.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
15.

Which substance is the most Acidic?

a)

pH = 1

b)

pH = 4

c)

pH = 7

d)

pH = 10

16.

Which substance is the most Basic?

a)

pH = 1

b)

pH = 4

c)

pH = 7

d)

pH = 10

17.

Which substance is Neutral?

a)

pH = 1

b)

pH = 4

c)

pH = 7

d)

pH = 10

18.
What percent of carbon-14 would be left after 5730 years?
a)
100%
b)
75%
c)
50%
d)
25%
19.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
20.
Two nuclei with low masses are combined to form one nucleus of larger mass is called what?
a)
Nuclear fission
b)
Nuclear fussion
c)
Nuclear half-life
d)
Half-life
21.
Has the symbol
a)
Alpha
b)
Beta 
c)
Gamma
22.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
23.
The time for half of the atoms in a sample to go through radioactive decay
a)
is constant
b)
varies
c)
increases with time
d)
decreases with time
24.

Identify the missing variable in the following reaction.

a)
b)
c)

d)

25.

Which form of radiation can be stopped by something as thin as a sheet of paper?

a)

Alpha

b)

Beta

c)

Gamma

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