Chemistry Fall Final

Front

What are metalloids?

Back

Elements that have intermediate properties of metals and nonmetals.

Front

What happens to the atomic radius as you move down a group in the periodic table?

Back

The atomic radius tends to increase.

Front

How many valence electrons does an atom with 3 valence electrons have?

Back

3 valence electrons.

Front

What is the new temperature of a gas if 6L at 293K is compressed to 4L?

Back

195K.

Front

What is the Lewis Dot Model?

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

Define atomic radius.

Back

The distance from the nucleus of an atom to the outermost shell of electrons.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What are the three main types of elements in the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is the general trend of ionization energy as you move across a period?

Back

Ionization energy tends to increase.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed by the transfer of electrons, while a covalent bond is formed by the sharing of electrons.