The mass number is defined as the total number of protons and neutrons in an atom.
Answer:
A wind-up toy is wound up and moving across level ground. The toy is speeding up.
Explanation:
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Venus and because the water put there becomes traps as much heat as possible with the surface temperature rising
Answer:
Atom has the tendency to attain stable electronic configuration of the nearest noble gas in accordance with the duplet and octet rule.hence,when an atom gains electron it becomes negatively charged and that is its negative charge making it an anion