
Calcium Atom Structure and Electrons

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Emma Peterson
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of calcium?
24
18
20
22
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons are present in the nucleus of a calcium atom?
18
24
22
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a neutral calcium atom, how many electrons are there?
18
20
24
22
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many energy levels are there in a calcium atom?
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons can the second energy level hold?
2
4
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are in the third energy level of calcium?
8
2
6
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the electrons in the highest energy level called?
Core electrons
Valence electrons
Free electrons
Bonding electrons
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are valence electrons important in chemistry?
They determine the atomic mass
They form chemical bonds
They are found in the nucleus
They are not important
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