Physical Science End of Course Exam

Front

What is a proton?

Back

A positively charged particle found in the nucleus of an atom.

Front

What type of bond is formed when outer electrons are not held tightly?

Back

Metallic bond.

Front

What are the properties of metals?

Back

Malleable and ductile.

Front

Which compound is unlikely to have ionic bonds?

Back

CH4 (methane) does not have ionic bonds.

Front

What is the independent variable in a graph?

Back

The variable plotted on the horizontal or x-axis.

Front

What is a neutron?

Back

A particle found in the nucleus of an atom that has no charge.

Front

What is an electron?

Back

A negatively charged particle that orbits the nucleus of an atom.

Front

What is a covalent bond?

Back

A bond formed when two atoms share electrons.

Front

What is an ionic bond?

Back

A bond formed when one atom transfers electrons to another atom.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.