Atoms and the Periodic Table

Front

What part of the atom do electrons occupy?

Back

Electrons are located in the electron cloud.

Front

Which group of elements is the most reactive?

Back

The alkali metals are the most reactive group.

Front

Where are the most reactive metals found in the periodic table?

Back

The most reactive metals are found in group/family 1.

Front

What determines the chemical properties of each family/group in the periodic table?

Back

The chemical properties are based on the number of valence electrons.

Front

Which statement does NOT describe elements?

Back

Elements cannot be broken down into simpler substances.

Front

What is an atom?

Back

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

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

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

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of elements organized by increasing atomic number.