Chemistry Review 3

Match it! Select the correct answer from the pull down...Good luck!

This category of elements is also known as semiconductors.

This category of elements has brittle and nonmalleable solids.

This technique for separating a mixture is used to separate particles in a suspension.

An element that has an atomic number of 4 would be found in which period on the periodic table?

This technique for separating a mixture is used to separate water into the elements of hydrogen and oxygen.

In nature, the element __________ is needed to make proteins.

The element that has 6 protons within its atom is__________ .

An element that has 8 valence electrons would be__________.