Made up on only one type of atom

Year 9 - Atomic Structure Flashcards

1

How is the periodic table arranged?

Alphabetical
By atomic number
Reactivity
By atomic mass

2

Define an element

Simplest thing
Make up everything
Made up on only one type of atom
Cannot be broken down any further

3

Why do atoms have no overall charge?

Even number of neutrons
Odd number of protons
Same number of neutrons and protons
Same number of electrons and protons

4

How many neutrons are there in a Lithium atom?

7
4
3
1

5

Non-metals must _______ electrons to form negative ions

Lose
Replace
Gain
Displace

6

What number must be added to balance the equation below:

3
2
5
4

7

Describe the electrons in a covalent bond

Sharing of Electrons
Transfer of Electrons
Displacement of Electrons
Sea of Delocalised Electrons

8

Describe the electrons in an ionic bond

Sea of Delocalised Electrons
Displacement of Electrons
Sharing of Electrons
Transfer of Electrons

9

What would be the charge on an oxygen ion?

0
+2
-2
+1

10

What are the two sub-atomic particles found in the nucleus?

Protons and Protons
Electrons and Neutrons
Protons and Neutrons
Protons and Electrons

11

What would the charge on an oxygen atom?

-2
0
+1
+2

12

What does the period number tell us?

Number of shells
Number of electrons in the outer shell
Total number of electons
Number of protons

13

What does the group number tell us?

Total number of electons
Number of protons
Number of electrons in the outer shell
Number of shells

14

What does the atmoic mass number tell us about an atom?

Number of electrons + neutrons + protons
Number of neutrons + protons
Number of neutrons
Number of electrons

15

Metals must _______ electrons to form positive ions

Displace
Gain
Replace
Lose

16

What sub-atomic particles spins around the nucleus?

Neutron
Nucleus
Electron
Proton

Year 9 - Atomic Structure

Questions 16

Year 9 - Atomic Structure

Questions 16