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Nat2105 [25]
3 years ago
7

PLEASE HELP ME I DON'T UNDERSTAND PLEASE HELP THIS IS MY LAST QUESTION I WILL GIVE BRAINLIEST

Chemistry
1 answer:
wolverine [178]3 years ago
7 0

Answer:

Because they all have different characteristics and they are not just things that the scientists say. they are all different but some of them have the Same charateristics

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NaOH+HCl->............
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NaCl+H20

Explanation:

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same valency electrons

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it is always necessary to use the roman numeral as the assigned charge of the metal.

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