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Marina86 [1]
3 years ago
8

PLEASE HELP ME!!!!!!!!!!!!!!!!!! FILL IN THE BLANKS !!!25 POINTS AND BRAINLIEST

Chemistry
2 answers:
KonstantinChe [14]3 years ago
3 0

Answer:

help you with what I don't see anything

Georgia [21]3 years ago
3 0

Answer:

free points thanks.

forgot pic

Explanation:

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BRAINLIESTTT ASAP!!!! PLEASE HELP ME :)
Elan Coil [88]

Answer:

1s² 2s²2p³  

Explanation:

If the atom has seven electrons, it is Element 7 (nitrogen).

In the Periodic Table, you count the electrons in all the subshells up to

No. 7.

In the first Period, you have filled the 1s level (2 electrons).

In the second Period, you have filled the 2s subshell (2 electrons) and put three electrons in the 2p subshell.

Thus, the electron configuration is

1s² 2s²2p³

Note how the superscripts tell you the number of electrons in each subshell: <em>2 + 2 + 3 = 7</em>.

6 0
3 years ago
What are the errors in this table check all that apply
Marat540 [252]

Answer:

Cannot be determined

Explanation:

Hi there,

Could you please add an attachment of the table? We cannot tell what the errors are if there is no table.

4 0
2 years ago
Which formula represents an ionic compound?
kumpel [21]
When 2 elements are combined it creates an ionic compound
7 0
3 years ago
Read 2 more answers
1 Which process causes the greatest increase in the distance between particles?
san4es73 [151]

The Answer is compensation

8 0
2 years ago
Read 2 more answers
10 points !! Which can happen during a physical change?
Sveta_85 [38]
I think that the answer is A because if you think about water for an example. When water turns into ice, it's still technically water, just the molecules are frozen. The water is physically changed. It could also see why you think it is B but I don't think so completely. It doesn't really make sense to me. So I'd choose A. It's definitely not C or D.
5 0
3 years ago
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