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RC#1 Atoms and The Periodic Table

Total questions: 40

Worksheet time: 39mins

Name
Class
Date
1.

What is at the center of every atom?

a)

an electron

b)

only protons

c)

a molecule

d)

a nucleus

2.

What does an element's atomic number represent?

a)

the element state at room temperature

b)

how metallic an element is

c)

the number of atoms in a compound

d)

the number of protons in an element

3.

How many neutrons are in Nitrogen?


*Click the image to make it larger.

a)

14

b)

7

c)

21

4.

At higher temperatures

a)

particles in an object have less energy

b)

particles in an object move faster

c)

a gas contracts

5.
The second energy level can hold up to how many electrons?
a)
2
b)
8
c)
10
d)
12
6.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
7.
How do you find out the number of protons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
8.
How do you find out the number of neutrons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
9.
All matter is made of _________. 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
10.
Which particle has a similar mass to a proton?
a)
Electron
b)
Neutron
c)
Photon
d)
Marble
11.
The mass of a proton is _______.
a)
1 amu
b)
1 gram
c)
has no mass
d)
undetermined
12.
The part of the atom that determines the identity of the atom is the ____________.
a)
proton
b)
nucleus
c)
electron
d)
neutron
13.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
14.
How are elements ordered on the Periodic Table?
a)
Alphabetical Order
b)
By their color.
c)
By their atomic mass.
d)
By their atomic number.
15.
Which item on this element square is the chemical symbol?
a)
Copper
b)
29
c)
Cu
d)
63.546
16.
Which item on this element square represents the atomic number?
a)
13
b)
Al
c)
Aluminum
d)
26.981538
17.
How many neutrons are in the atom "K"?
a)
7
b)
19
c)
39
d)
20
18.
How many protons does an atom of Carbon have? 
a)
3
b)
12.011
c)
6
d)
none
19.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
20.
What are the number of electrons in Carbon?
a)
12
b)
10
c)
6
d)
14
21.
Which is an electron?
a)
A
b)
B
c)
C
22.
Which is a neutron?
a)
A
b)
B
c)
C
23.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
24.
Which is a proton?
a)
A
b)
B
c)
C
25.
What does an atom's group tell us?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
26.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
27.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
28.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
29.
Which subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
30.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
31.
What element is this model showing?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
32.
What does an atom's period tell us?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
33.
What does an atom's group tell us?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
34.
What is the element symbol for boron? 
a)
B
b)
Bo
c)
Bn
d)
W
35.

Which of the following element in period 3 would be classified as a metal?

a)

Boron (B)

b)

Sodium (Na)

c)

Argon (Ar)

d)

Silicon (Si)

36.

Columns on the periodic table are called...

a)

periods

b)

groups or families

c)

valence

d)

energy levels

37.

The groups on the periodic table correspond to the number of ________ in an atom.

a)

valence electrons

b)

energy levels

c)

protons

d)

neutrons

38.

Rows on the periodic table correspond to the number of ________ in an atom.

a)

neutrons

b)

protons

c)

electrons

d)

energy levels

39.

Which element has 2 valence electrons?

a)

H

b)

Ca

c)

Na

d)

C

40.

How many valence electrons does a nitrogen atom have?

a)

3

b)

7

c)

5

d)

1

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