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What makes up the nucleus of an atom?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
An element has the numbers 3 and 8 in its box on the periodic table. How many protons does it have?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
An element has the numbers 9 and 17 in its box on the periodic table. What is the atomic number?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
What is the charge of an electron?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
An element has the numbers 4 and 11 in its box on the periodic table. What is its atomic mass?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
If an atom has 10 protons and 11 neutrons what is its atomic mass?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
What is the charge of a neutron?
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
How are atoms organized on the periodic table.
11
9
Negative
21
protons and neutrons
Neutral (no charge)
3
By the number of protons.
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