Chemistry Review Practice

Front

What is melting?

Back

Melting is the process of changing from a solid to a liquid.

Front

What is a proton?

Back

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

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What does the number 6 represent in an element's notation?

Back

The number 6 represents the atomic number of the element.

Front

What is a neutron?

Back

A neutron is a neutral particle found in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements by their atomic number, electron configuration, and recurring chemical properties.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter abbreviation used to represent an element.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.