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What is the space around the nucleus called?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
If oxygen has an atomic number of 8 and an atomic mass of 16, how many neutrons does oxygen have?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
The atomic number of an element always tells us how many ____ that element has. This number never changes.
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
How do you find the number of neutrons an atom has?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
Which subatomic particle has virtually no mass?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
When a substance goes from a solid to a liquid, it is:
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
Oxygen's atomic number is 8. If the atom is neutral, how many electrons will it have?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
If an oxygen atom has 8 protons and 10 electrons, what will it's charge be?
protons
melting
-2
electrons
8
Atomic mass - atomic number
8
electron cloud
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