Number of electron in O = 8
So, in O2 it would be: 8 * 2 = 16
So, your final answer is 16
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C) A laser beam looks bent when it passes through glass blocks.
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Answer:
fusion reaction
The simple answer is that the sun, like all stars, is able to create energy because it is essentially a massive fusion reaction. Scientists believe that this began when a huge cloud of gas and particles (i.e. a nebula) collapsed under the force of its own gravity – which is known as Nebula Theory.
Explanation:
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When a substance goes from being a liquid to a gas it evaporates, or boils away. Think of boiled eggs.
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