Atomic Math

Front

What is the atomic number of Manganese?

Back

25

Front

How many protons are in Fluorine?

Back

9

Front

What is the mass number of Neon (rounded)?

Back

20

Front

What is the atomic number of Sodium?

Back

11

Front

How many protons are in Oxygen?

Back

8

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the definition of mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

How do you calculate the number of neutrons in an atom?

Back

Mass number - Atomic number = Number of neutrons.

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 significance of the atomic number in the periodic table?

Back

It determines the position of an element in the periodic table and its chemical properties.