Chapter 5 review the periodic law năm 2024

Does atomic radius (excluding noble gases) increase or decrease as you move from left to right on the periodic table?

Does the first ionization energy increase or decrease as you move from left to right on the periodic table?

Does electronegativity increase or decrease as you move from left to right on the periodic table?

Does atomic radius increase or decrease as you move from top to bottom on the periodic table?

Increases due to the addition of energy levels.

The attraction an atom has to gain an electron is known as _________________________.

What is the number of valence electrons in atom of boron in the ground state?

What is the number of valence electrons in atom of Xenon in the ground state?

Which Group 17 element has the least attraction for electrons (is the least electronegative), F, Cl, Br, or I?