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Taya2010 [7]
3 years ago
6

What is the difference between atom and it’s ion ?

Chemistry
1 answer:
Sati [7]3 years ago
8 0
Answer:
D. Number of electrons
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The electron configuration for an atom is 1s 2s 2p2. How many electrons does the atom have?
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Answer:

Four  

Step-by-step explanation:

The <em>superscripts</em> in an electron configuration tell us how many electrons are in a subshell.

If the electron configuration is 1s¹ 2s¹2p², the total number of electrons is

1 + 1 + 2 = 4

The atom contains four electrons.

<em>Note</em>: this atom is in an <em>excited state</em>, because the 1s and 2s subshells can each hold one more electron.

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Emprical formula for c6h6​
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The emperical formula for benzene (C6H6) is “CH”.
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