Fall ACP Review - Units 1 and 2 #1

Front

What determines the amount of VALENCE electrons an atom originally has?

Back

The group number of the element in the periodic table.

Front

What is the average atomic mass of magnesium?

Back

24.31 amu.

Front

Which family of elements loses 1 electron?

Back

Alkali metals lose 1 electron.

Front

Which family of elements gains 1 electron?

Back

Halogens gain 1 electron.

Front

What is the characteristic of noble gases regarding electron gain or loss?

Back

Noble gases do not lose or gain electrons.

Front

In which group do alkaline earth metals belong?

Back

Alkaline Earth Metals.

Front

What is the relationship between wavelength and energy?

Back

Inverse: if wavelength increases, energy decreases.

Front

How many valence electrons do elements in Group 1 have?

Back

1 valence electron.

Front

What is the general trend of atomic size across a period?

Back

Atomic size decreases from left to right across a period.

Front

What is the general trend of ionization energy down a group?

Back

Ionization energy decreases down a group.