The Bohr Model, which was proposed by Niels Bohr in 1913
Answer:
to become a noble gas element P will have 2 electrons in it's outer most energy level if it has one energy level
and eight in the last energy level if more than one
Answer:

Explanation:
The formula for efficiency is

Data:
Useful energy = 3 J
Energy input = 30 J
Calculation:

Answer:
A scale, or a weight. Both of which are more scientifically referred to as a balance.
<h2> ║∧║······→Hello.←······║∧║</h2>
Your answer should be:
N2 + O2 → 2NO
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