Atomic Number & Groups

Front

What is the atomic number of an element?

Back

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

Front

How many protons are in an oxygen atom?

Back

An oxygen atom has 8 protons.

Front

What is the atomic number of carbon?

Back

The atomic number of carbon is 6.

Front

True or False: The atomic number of an element is equal to the number of protons in its nucleus.

Back

True.

Front

What is the relationship between atomic number and protons?

Back

The atomic number is equal to the number of protons in an atom.

Front

How can you determine the atomic number of an element from the periodic table?

Back

The atomic number is typically listed above the element symbol on the periodic table.

Front

What is the atomic number of nitrogen?

Back

The atomic number of nitrogen is 7.

Front

True or False: The atomic number of an element can change if the element is ionized.

Back

False. The atomic number remains the same regardless of ionization.

Front

What does the atomic number indicate about an element's identity?

Back

The atomic number uniquely identifies an element and determines its position in the periodic table.

Front

How many protons are in a carbon atom?

Back

A carbon atom has 6 protons.