C1.1 Fundamental Ideas

Question 1

Where are protons, neutrons and electron found?

Answer 1

Protons - nucleus
Neutrons - nucleus
Electrons - shells

Question 2

What are the masses of protons neutrons and electrons?

Answer 2

Protons - 1
Neutrons - 1
Electrons - very small

Question 3

What are the charges of protons neutrons and electrons?

Answer 3

Protons - +1
Neutrons - 0
Electrons - -1

Question 4

Where is the mass number on an element?

Answer 4

Top number

Question 5

Where is the atomic number on an element?

Answer 5

Bottom number

Question 6

What is the mass number?

Answer 6

Protons+neutrons

Question 7

How do you calculate the number of neutrons in an element?

Answer 7

Minus the bottom number from the top

Mass number-atomic number

Question 8

What does the group number tell you?

Answer 8

The amount of electrons on the outer shell

Question 9

What is special about noble gases?

Answer 9

They have a full outer shell

Question 10

Metal + water ->

Answer 10

Metal hydroxide + hydrogen

Question 11

The structure of a noble gas is _______ and therefore they are very __________.

Answer 11

Stable

Unreactive

Question 12

What is an ionic bond?

Answer 12

When oppositely charged ions join together by an electrostatic force of attraction.

Question 13

Metal atoms form _______ charged ions.

Non-metal atoms form ________ charged ions.

Answer 13

Positively

Negatively

Question 14

Practise ionic bonds!! 14/05/15

Answer 14

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Question 15

What are the state symbols for liquids, solutions, gases and solids?

Answer 15

Liquid = l
Solution = aq
Gas = g
Solid = s

Question 16

What is covalent bonding?

Answer 16

Covalent bonds form between 2 non-metals. They don’t gain or lose electrons, they share electrons. They form neutral molecules.

Question 17

Practise covalent bonds!! 21/05/15

Answer 17

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Question 18

Protons =

Answer 18

Electrons

Question 19

What bonding holds compounds together?

Answer 19

Ionic