C1.1 Atoms

Question 1

What do atoms contain?

Answer 1

Protons, nuetrons and electrons

Question 2

What does the nucleus of an atom contain?

Answer 2

Protons and nuetrons

Question 3

What charge is a nucleus?

Answer 3

Positive, because of the protons!

Question 4

What charge are electrons?

Answer 4

Negative

Question 5

What is the mass of an electron?

Answer 5

Virtually NO mass

Question 6

Numbers of protons equal the amount of?

Answer 6

Electrons

Question 7

What does the atomic number tell you?

Answer 7

How many PROTONS there are!

Question 8

What does the mass number tell you?

Answer 8

Total number of protons and neutrons.

Question 9

How do you find the number of neutrons?

Answer 9

Subtract atomic number from mass number.

Question 10

On a chemical symbol where is the atomic number and mass number located?

Answer 10

Mass number is above the chemical symbol

Atomic number is below the chemical symbol

Question 11

What is an ion?

Answer 11

Is an atom or group of atoms that has lost or gained electrons.