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__________ energy is the energy that it takes to remove an electron from its shell.


Quantum


Ionization


Electron


Polar


To assume it has to be Quantum


The Periodic Table is organized so that atoms of elements with the same number of valence electrons are in __________.


columns


diagonals


rows


cells

Verified Answer :

SJ2006

B.) Ionization energy is the energy that it takes to remove an electron from its shell.

A.) The Periodic Table is organized so that atoms of elements with the same number of valence electrons are in Columns. 

Hope this helps!

Answer:1.  Ionization

2. columns

Explanation:

1. Ionization energy is the energy required to remove the outermost electron from an isolated gaseous atom.

In a period or row, the ionization energy increases as we move down as the size decreases and thus the valence shell moves closer to the nucleus and thus is difficult to remove.

In a group or column, the ionization energy decreases as we move down as the size increases and thus the valence shell moves farther from nucleus and thus is easier to remove.

2. The elements are arrange in order of increasing atomic numbers in which elements with similar properties are present at regular intervals.

The rows of the periodic table are called as rows and the vertical columns are called as groups.

The elements in the same column or group have similar number of valence electrons as thus they have similar chemical reactivity.

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