A non spontaneous reduction reaction
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Answer:
8. A golf ball feels heavier than a table-tennis ball because a golf ball is denser; that is, it has more mass in a similar volume.
10.
The density of the unknown substance is 10.50 g/mL. According to the table, the substance that has the same amount of density is silver. Therefore, the unknown substance is silver.
Explanation:
I'll leave the rest to other people
Both the atoms are of the same element but one of them is electrically neutral and the other has a stable electronic configuration.
<h3>What is the meaning of a neutral atom?</h3>
An atom is said to be neutral because it has an equal number of electrons and protons in it.
If two different atoms have nine protons each and the same mass but one is neutral while the other has a negative charge.
This implies both the atoms have the same nucleus but different charges so it can be concluded that they are both the atoms of the same element but one of them is electrically neutral and the other has gain electron from other element and have stable electronic configuration.
Learn more about the neutral atom here:
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