Periodic Table/Chemical Formulas Review

Front

What group and period is sodium (Na) located?

Back

Sodium (Na) is located in period 3 and group 1.

Front

What element is represented by this atomic model?

Back

The element represented is Lithium.

Front

How many neutrons are in a Gold atom?

Back

A Gold atom has 118 neutrons.

Front

Which element is shown by this atomic model?

Back

The element shown is Beryllium.

Front

What does the atomic mass tell you?

Back

The atomic mass tells you basically the number of protons and neutrons.

Front

What is the atomic number?

Back

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

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.