Question

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

Which of the statements are true of ionization energy and its trends found in the periodic table?

increases going down a column (top to bottom)

decreases going across a row (left to right)

increases going across a row (left to right)

decreases going down a column (top to bottom)

Answer 1

                            Emma here!

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

Hope this helps! Have a nice day!