Physical Science Review

Front

The positively charged particles of an atom are the ________.

Back

protons

Front

A substance in which the parts are clearly different shapes and colors; different throughout is called a ________.

Back

heterogeneous

Front

Which chemical formula correctly displays 1 atom of nickel and 2 atoms of Fluorine?

Back

NiF2

Front

Identify the following substance: A combination of two or more substances that are not chemically bonded is called a ________.

Back

Mixture

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

electrons

Front

The center of an atom, containing protons and neutrons, is called the ________.

Back

nucleus

Front

A substance made of two or more elements that are chemically bonded together is called a ________.

Back

compound

Front

The smallest unit of an element that retains the properties of that element is called an ________.

Back

atom

Front

The number of protons in the nucleus of an atom determines the ________ of the element.

Back

atomic number

Front

A mixture that has a uniform composition throughout is called a ________.

Back

homogeneous