Atoms

Question 0

What are atoms made up of?

Answer 0

Atoms are made up of protons, neutrons and electrons.

Question 1

What is an atom?

Answer 1

The atom is the smallest part of an element that still retains the properties of that element.

Question 2

Where are protons and neutrons found?

Answer 2

In the nucleus of the atom.

Question 3

Where are electrons found?

Answer 3

Electrons are found in shells orbiting the nucleus.

Question 4

How many electrons can the first shell hold and how many can all shells after that hold?

Answer 4

First shell = 2

All shells after = 8

Question 5

What type of charge do a) protons,b) neutrons & c) electrons have ?

Answer 5

A) = positive charge (+1)
B) = no charge
C) = negative charge (-1)

Question 6

What type of numbers does the periodic table give?

Answer 6

The periodic table gives the atomic number (small number) and the mass number.

Question 7

What is the atomic number?

Answer 7

Number of protons which is the same as the number of electrons.

Question 8

What is the mass number?

Answer 8

Number of protons + number of neutrons.