Question 1

What are the three particles that make up an atom?

Accepted Answer

The three particles that make up an atom are protons, neutrons, and electrons.

Question 2

How can you use the periodic table to determine the number of protons in an atom?

Accepted Answer

The number of protons in an atom is equal to the atomic number, which can be found on the periodic table.

Question 3

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

Accepted Answer

The number of electrons in an atom is equal to the number of protons, as atoms are neutral and have an equal number of positive and negative charges.

Question 4

How can you use the mass number formula to determine the number of neutrons in an atom?

Accepted Answer

The mass number formula is mass number equals the number of protons plus the number of neutrons. If you know the mass number, you can subtract the number of protons from that to find the number of neutrons.

Question 5

How can you find the mass number of an element?

Accepted Answer

The mass number can be found using either the symbolic or isotope notation. It can also be found by subtracting the number of protons from the mass number.

Tag: mass number of an atom

How to Use the Periodic Table to Determine the Number of Protons, Neutrons and Electrons in an Atom

Our Social Networks

Information