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Atoms and Equations

Total questions: 25

Worksheet time: 6hrs 15mins

Name
Class
Date
1.

Q2: Which subatomic particle is positively charged?

a)

Electron

b)

Neutron

c)

Proton

d)

Atom

2.

Q3: Which subatomic particle is negatively charged?

a)

Electron

b)

Neutron

c)

Proton

d)

Atom

3.

Q5: Which subatomic particle is responsible for most of the mass of an atom?

a)

Electron

b)

Neutron

c)

Proton

d)

Jimmy Neutron

4.

Q7: What is true about elements?

a)

They are all the same

b)

They are determined by how many electrons are in an atom

c)

They are determined by how many protons are in an atom

d)

They are determined by how many neutrons are in an atom

5.

Q8: An atom has 6 protons in its nucleus. What is it?

a)

Helium

b)

Hydrogen

c)

Gold

d)

Carbon

6.
Chlorine (Cl)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
7.
Iodine (I)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
8.
Xenon (Xe)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
9.
Sodium (Na)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
10.
Potassium (K)
a)
alkali metal
b)
alkaline earth metal
c)
halogen
d)
noble gas
11.
Cesium (Cs)
a)
alkali metal
b)
alkaline earth
12.
Gold (Au)
a)
Transition Metal
b)
Alkali Metal
c)
Alkaline Earth Metal
d)
Heavy Metal
13.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
14.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
15.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
16.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

17.

What are the horizontal rows on the periodic table called?

a)

periods

b)

groups

c)

metals

d)

nonmetals

e)

metalloids

18.
What coefficient should go in the blank space to balance the chemical equation? 
2Al  +____  HCl   →    2AlCl3  +  3H2
a)
2
b)
4
c)
3
d)
6
19.
 Fill in the blank to balance the chemical equation. 
2KI  +  ____Cl2 →  2KCl  +  I2
a)
1
b)
2
c)
3
d)
4
20.
Is the following equation balanced?...
Al + O2 --> 2Al2O3
a)
Yes!
b)
No!
21.
What is the number before a chemical formula called?
Ex: 2H2 + O2 --> 2H2O
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
22.
What is the best way to balance this equation?
H2 + Cl2 → HCl
a)
H2 + Cl2 → HCl
b)
3H2 + Cl2 → 6H2Cl
c)
H2 + Cl2 → 2HCl
d)
2 H2 + 2 Cl2 → 2 HCl
23.

What is the acronym for the prominent non-metals

a)

KROPSC

b)

CHNOPS

c)

PORKCHOPS

d)

SCHNAPS

24.

Balance the equation

____Fe + ___ O2---------> Fe2O3

a)

1-1-1

b)

2-2-2

c)

8-6-4

d)

4-3-2

25.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases

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