Answer:
Number of protons = 52, Number of electrons = 52, Number of neutrons = 76
Explanation:
Answer:
<h3>The answer is 0.075 moles</h3>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have

We have the final answer as
<h3>0.075 moles</h3>
Hope this helps you
Answer:
Rb+
hope it's right:)
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To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.
The answer is b) light waves travel faster than sound waves.