Neon is element #10, so every neon atom has 10 protons in the nucleus.
If it also has 9 neutrons in there, then its mass number is (10 + 9) = <em>19</em> .
Answer: false
Explanation:
While kilograms are the unit used to measure body mass, the device used is a scale.
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Answer:
Any object that is being acted upon only by the force of gravity is said to be in a state of free fall.
Explanation:
