periodic trends

in order from smallest to largest

100

O⁺², O^-2, O : ionic radius 

O-², O, O⁺²

200

Li, C, F: atomic radius 

F, C, Li

300

Mg, S, Si: ionization energy

S, Si,Mg

400

Li, C, N: Electronegativity 

N, C, Li

500

Si^-4, P³, O^-2: ionic radius 

O^-2, Si^-4, P³

definitions

100

what is the increase of electrons as you go down the group, and increase of electrons in the shell as you move across the periods?

Valence Electrons

200

Size decreases as you go across and it increases as you go down?

atomic radius

300

addition or subtraction upon electrons 

ionic radius

400

How much an atom wants to gain an electron 

electron affinity 

500

the ability of an atom to hold electrons tightly

electronegativity 

in order from largest to smallest

100

C, N, Al: atomic radius 

Al, C, N

200

F^-, Cl^-, Br^-: ionic radius

Br^-, Cl^-, F^-

300

Ba, Cu, Ne: Ionization energy 

Ne, Cu, Ba

400

C, O, Ne: electronegativity 

C, O, Ne

500

K, Mg, P: electronegativity 

K, Mg, P

which atom is larger

100

Br or Br^-

Br^-

200

Cl^- or Ar

Cl^-

300

K or K⁺

K

400

Se or In 

In

500

Hf or Co

Hf

electron configuration

100

Hydrogen

1s1

200

Calcium 

4s2

300

Helium

1s2

400

sodium 

3s1

500

litium 

2s1