The size of an atom increases as you go which direction on the periodic table?
down (v) and left (<–)
What is the covalent radius?
1/2 the distance between nuclei of 2 identical atoms
The effective nuclear charge (Zeff) is the
pull exerted on electrons by nucleus
What is the shielding effect?
When electrons partially block the pull of the proton
Shielding and Zeff have a proportional or inverse relationship?
Inverse
Ionization energy increases as you go which direction on the periodic table?
up (^) and right (–>)
Electron affinity increases as you go in which directions on the periodic table?
up (^) and right (–>)
Which groups are the main group elements?
G1, 2, 13-18
Which groups are transition metals?
G 3-13
Where are inner transition metals?
2 rows at bottom of table
Where are lanthanides?
Top row of inner transition metals
Where are actinides?
Bottom row of inner transition metals
What are the chemicals in G1 called?
Alkali metals
What are the chemicals in G2 called?
Alkali Earth metals
What are chemicals in G17 called?
Halogens
What are chemicals in G18 called?
Noble gases
Which groups are metals?
G1-12, generally