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NikAS [45]
3 years ago
9

Identify the elements and the number of atoms of each element in BO2

Chemistry
1 answer:
Alinara [238K]3 years ago
7 0
The B stands for Boron which is 5 on the periodic table.
The O stands for Oxygen which is 8 on the periodic table.

There is 1 Boron,        It's only 1 because there is only on B which doesn't have coefficent 
There is 2 Oxygen,     The 2 is from the 2 next to the O
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Answer:

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2d4: incorrect because the second energy level just has the s and p subshells.

3p10: incorrect because the p subshell can hold up to 6 electrons.

Explanation:

Hello there!

In this case, according to the attached file, which shows the correct orbitals and electrons, we can proceed as follows:

1s2: correct.

6s3: incorrect because the subshell s can hold up to 2 electrons.

5f10: correct.

4d3: correct.

2d4: incorrect because the second energy level just has the s and p subshells.

3p10: incorrect because the p subshell can hold up to 6 electrons.

Best regards!

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