Atoms,compounds and isotopes

Question 1

Where is the atomic mass next to an element?

Answer 1

At the top

Question 2

Where is the atomic number found next to an element?

Answer 2

At the bottom

Question 3

What is inside the nucleus?

Answer 3

Protons and neutrons

Question 4

What are the three main things that are inside an atom?

Answer 4

Protons, neutrons and electrons

Question 5

What is the Atomic number?

Answer 5

The number of protons

Question 6

What is the mass number?

Answer 6

Total number of protons and neutrons

Question 7

What is the charge of a proton?

Answer 7

+1

Question 8

What is the charge of a neutron?

Answer 8

No charge

Question 9

What is the charge of an electron?

Answer 9

-1

Question 10

What is the mass of a proton?

Answer 10

1

Question 11

What is the mass of a neutron?

Answer 11

1

Question 12

What is the mass of an electron?

Answer 12

too small to measure/negligible

Question 13

What is a compound?

Answer 13

When two or more elements are chemically combined

Question 14

What is an isotope?

Answer 14

Different atomic forms of the same element, which have the same number of protons but different number of neutrons.

Question 15

Name two popular isotopes?

Answer 15

Carbon-12

Carbon-14