Atoms & Elements

Front

What is the atomic number of Silicon (Si)?

Back

14

Front

What determines the family of an element in the periodic table?

Back

The characteristics of an element.

Front

How is the periodic table arranged besides by atomic number?

Back

By metallic character.

Front

What is the charge of a neutron?

Back

Neutral.

Front

How many protons are in an atom of Gallium (Ga)?

Back

31 protons.

Front

How many neutrons are in an atom of Gallium (Ga)?

Back

39 neutrons.

Front

What is the significance of the periodic table in chemistry?

Back

It organizes elements based on their properties and atomic structure.

Front

What is the general trend of metallic character in the periodic table?

Back

Metallic character increases down a group and decreases across a period.

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of protons?

Back

Positive.