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TiliK225 [7]
3 years ago
9

Atoms or helium nickel would represent _____

Chemistry
1 answer:
den301095 [7]3 years ago
6 0

Answer:

they represent their own atoms

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D

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According to all the principles of filling it is d

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In a double-replacement reaction, the _____.
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 In a double-replacement reaction, the _____.?


There are many more interesting things to ask about double replacement reactions than are contained in the list given here. But the only correct choice is: 

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4.564000 x 10^-4 express how many significant figures
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4 years ago
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Plz help me with this:
In-s [12.5K]

Answer:

1) H 1s^1

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5) [Ar] 4s² and [Ar] 4s²

6) [He] 2s2 2p2

7)  [He] 2s² 2p⁴

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10) [Ne] 3s² 3p⁶

Explanation:

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