C1

Question 1

What is the charge of a proton?

Answer 1

Positive

Question 2

What is the charge of neutron?

Answer 2

Neutral

Question 3

What is the charge of an electron?

Answer 3

Negative

Question 4

What is the mass of a proton?

Answer 4

One

Question 5

What is the mass of a neutron?

Answer 5

One

Question 6

What is the mass of an electron?

Answer 6

Very small

Question 7

Where are protons found in an atom?

Answer 7

Nucleus

Question 8

What is the name given to group 1 of the periodic table?

Answer 8

Alkali

Question 9

What is the name given to group 7 of the periodic table?

Answer 9

Halogens

Question 10

How many electrons can be put in the 1st electron shell of an atom?

Answer 10

Two

Question 11

Who discovered neutrons?

Answer 11

James Chadwick

Question 12

How many electrons can the 2nd shell of an atom hold?

Answer 12

Eight

Question 13

What does the atomic number tell you about an atom?

Answer 13

Number of protons, which is equal to the number of electrons

Question 14

What does the mass number tell you about an atom?

Answer 14

Protons + neutrons

Question 15

What is an isotope?

Answer 15

An element with the same number of protons and different number of neutrons

Question 16

What is a compound?

Answer 16

A substance made from two or more elements chemically combined in a fixed proportion

Question 17

What happens to the reactivity of the elements as you go down group 1?

Answer 17

Increases

Question 18

What happens to the reactivity of the elements in group 7 as you go down the group?

Answer 18

Decreases