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WorksheetsUnit 1 quiz
Total questions: 20
Worksheet time: 12mins
What is the atomic mass of xenon?
131
171
121
152
On the periodic table what do the metalloids look like?
A line
A hill
A staircase
Nothing
How many elements are on the periodic table?
171
181
100
70
How do you find the number of neutrons in an atom?
Mass-atomic #
Mass-Protons
Atomic #- electrons
What is the charge of an electron?
Positive
Negative
No charge
Explain why helium, neon, and argon have similar properties
They are in the same group
They are in the same period
Which group of elements is most reactive?
1
18
5
2
What is the charge of a proton?
Negative
Positive
No charge
How many protons does argon have?
17
20
7
18
How many protons does Neon have?
9
7
4
10
How many protons does Hydrogen have?
2
1
3
0
How many groups are currently in the periodic table?
18
17
20
50
What is the charge of a neutron?
Negative
No charge
Positive
Which group is the least reactive?
16
17
18
5
If the mass of oxygen is 16 and the atomic number is 8 how many neutrons does it have?
7
8
16
24
How do you see the number of protons and electrons in an element?
Look at the mass
Look at the atomic number
If boron has a mass of 11 and its atomic number is 5 how many neutrons does it have?
6
7
8
15
What is hydrogen?
Metal
Non-metal
Metalloid
What is boron?
Non-metal
Metal
Metalloid
Who made the periodic table?
Dmitri Mendeleev
Benjamin Franklin
Stephen Hawking
Albert Einstein
