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serious [3.7K]
3 years ago
9

The energy needed to remove an electron is called ionization energy.

Chemistry
1 answer:
salantis [7]3 years ago
7 0
<h2>                             Emma here<em>!</em></h2>

Answer:

im pretty sure its decreases going across a row (left to right)

Explanation:

As you move from left to right across a period on the periodic table the size of an atom will decrease

<h3>Hope this helps<em>! </em>Have a nice day<em>!</em></h3>
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