Chemistry Review

Front

What can be found on the periodic table of elements?

Back

The periodic table shows the number of protons in each element.

Front

What is matter composed of?

Back

Matter is composed of atoms.

Front

Which of these is a solid?

Back

Cup A contains a solid.

Front

How is the modern periodic table of elements arranged?

Back

The modern periodic table is arranged by atomic number.

Front

What is the relationship between protons and electrons?

Back

The number of protons is equal to the number of electrons in a neutral atom.

Front

What is an atom?

Back

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

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What is an isotope?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither definite shape nor volume.