Periodic Table Intro Practice

Front

What is the atomic number of an atom?

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 letter 'C' represent in chemistry?

Back

The letter 'C' is the Chemical Symbol for carbon.

Front

How can you determine the number of electrons in an atom?

Back

An atom has an equal number of electrons and protons.

Front

What is the atomic number of helium?

Back

The atomic number of helium is 2.

Front

What is the atomic number of beryllium?

Back

The atomic number of beryllium is 4.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number determines the position of an element in the periodic table and its chemical properties.

Front

What is a chemical symbol?

Back

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

Front

What is the atomic number of lithium?

Back

The atomic number of lithium is 3.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What is the atomic number of oxygen?

Back

The atomic number of oxygen is 8.