Atoms and Minerals

Particles that make up atoms include

• protons.

• neutrons.

• electrons.

• all of the above

Which statement about neutrons is false?

• Neutrons have no electrical charge.

• Neutrons are about the same size as protons.

• Neutrons are located in the nucleus of an atom.

• The number of neutrons is the same in all atoms of an element.

An ion always has

• a positive or negative electrical charge.

• the same number of electrons as protons.

• the same number of electrons as neutrons.

• none of the above

A carbon atom with 8 neutrons is the isotope called

• carbon-11.

• carbon-12.

• carbon-13.

• carbon-14.

In ionic bonds, atoms of a metal

• give up electrons.

• receive electrons.

• accept electrons.

• share electrons.

Hydrogen bonds are

• intermolecular.

• covalent.

• ionic.

• polar.

Molecules of water are

• covalent.

• polar.

• ionic.

• two of the above

All minerals

• form crystals.

• are inorganic.

• form naturally.

• all of the above

Minerals are divided into eight major groups based on their

• physical properties.

• chemical composition.

• crystalline structure.

• color and luster.

The basic building block of all silicate minerals is called a silica

• tetrahedron.

• pyramid.

• sphere.

• salt.