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saul85 [17]
2 years ago
11

What does the bottom number within each box of the periodic table refer to? How can it be used to determine the number of neutro

ns inside an element?
Chemistry
1 answer:
geniusboy [140]2 years ago
4 0
The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.
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3 years ago
I Need help ASAP!
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Answer:

The correct answers are:

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Explanation:

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3 years ago
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Although not usually soluble in plain water, an amphoteric oxide or hydroxide is: 1. soluble in neutral solutions. 2. soluble in
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Answer:

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Explanation:

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<em>Oxides and hydroxides of some elements are </em><em>amphoteric</em><em> in nature.</em> <u><em>Such compounds can behave as an acid in basic medium and behave as a base in acidic medium.</em></u>

<u>Therefore, amphoteric oxides and hydroxides are soluble in both acidic and basic solutions.</u>

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