chem test review 1

What are the seven diatomic elements?

Hydrogen, Nitrogen, Flourine, Oxygen, Iodine, Chlorine, Bromine.

Whats the abbreviation of the 7 diatomic elements?

Have No Fear Of Ice Cold Beer

Which elements are metalloids?

B, Si, As, Sb, Te, Po

What is the metalloid abbreviation?

Si B As Sb Te Po (sick bi as sm te po)

Which are nonmetals?

every to the right of the metalloid staircase

are periods/rows horizontal or vertical?

horizational

are groups/columns horizontal or vertical

vertical

which groups are transition metals?

groups 3-12

Explanation for why the atomic radius increases down a group on the periodic table

 as the number of energy levels (n) increases, there is a greater distance between the nucleus and the outermost orbital (radius)

Addition/Subtraction

fewest decimal place

Multiplication/Division

fewest sig figs

Atomic radius ___ across a period and ____ down a group

decreases, increases

Ionization energy ______ from top to bottom, ______ from left to right

decreases, increases