# Grade 7 - Atoms and the Periodic Table

## Quiz by Sarah Anne RODGERS

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20 questions
• Q1
What is the charge on a proton?
Ionic
Negative
Positive
Neutral
30s
• Q2
What is the relative mass of a neutron?
1
1.67E-27
0
-1
30s
• Q3
What is the charge and relative mass of an electron
Negative charge, mass of 1
Negative charge, no mass
Neutral charge, no mass
Positive charge, no mass
30s
• Q4
What is the definition of "mass number" of an atom
Total mass of the protons and neutrons of an atom
The total mass of the protons, neutrons and electrons of an atom
The total mass of the protons of an atom
The total mass of the protons and electrons of an atom
30s
• Q5
If the mass number of Carbon is 6, and it has 4 protons, how many neutrons does it have?
2
6
10
0
30s
• Q6
What is the definition of "atomic number"
The number of subatomic particles in the atom total
The number of neutrons of an atom
The number of protons of an atom
The number of protons and electrons of an atom
30s
• Q7
Using the image, what is the atomic number of Uranium?
146
238.03
238
92
30s
• Q8
Which statement is NOT correct?
In neutral atoms (no charge), protons always equal neutrons
When atoms lose or gain electrons, they become charged (not neutral)
Atoms represented in the periodic table are always neutral (no charge)
In neutral atoms (no charge), protons always equal electrons
30s
• Q9
How is the Periodic Table arranged?
By mass number
It's totally random
By atomic number
By total number of sub-atomic particles in the nucleus
30s
• Q10
Complete the sentence: The periodic table is arranged with rows that go _____ and groups that go ____
Down, Across
Down, Up
Across, Down
Left, Right
30s
• Q11
Majority of the elements in the periodic table are...
Non-Metals
Gases
Metals
Liquids
30s
• Q12
What is the chemical symbol for fluorine?
Fl
F
Fu
Fi
30s
• Q13
What is the chemical symbol for potassium?
P
K
Po
Ko
30s
• Q14
Which of the following is a non-metal atom?
Calcium
Gold
Sodium
Sulfur
30s
• Q15
What is a metalloid?
A non-metal atom with metal-like characteristics
A non-metal atoms with non-metal characterisitcs
They don't exist
A metal atom with metal-like characteristics
30s

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