Living Systems- Periodic Table Basics

Front

What is the symbol for Helium?

Back

He

Front

How many protons are in Beryllium?

Back

4

Front

How many neutrons are in a Gold atom?

Back

118

Front

What is the atomic mass of Neon?

Back

20.18

Front

How many protons are in Neon?

Back

10

Front

What is the atomic number of an element?

Back

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

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 mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, reflecting the number of protons and neutrons.

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

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

Back

The number of neutrons can be determined by subtracting the atomic number from the atomic mass.