1
Q
What does the nucleus of an atom contain?
A
Protons and neutrons
2
Q
What surrounds the nucleus of an atom?
A
Shells of electrons
3
Q
What charge do protons have?
A
Positive
4
Q
What charge do neutrons have?
A
No charge
5
Q
What charge do electrons have?
A
Negative
6
Q
Why is the overall charge of an atom neutral?
A
Because the number of protons is equal to the number of electrons
7
Q
What are elements arranged in order of in the periodic table?
A
Their atomic number
8
Q
What does the atomic number represent?
A
The number of protons or electrons
9
Q
What does the mass number represent?
A
The total number of protons and neutrons
Chemistry Unit 1
flashcards
Decks in class (40)
# Cards
-
Atomic Structure20
-
Bonding11
-
Chemical Equations3
-
Limestone30
-
Metals and their Uses2
-
Structure of the Earth7
-
The Restless Earth8
-
The Earth's Atmosphere in the Past9
-
Life on Earth7
-
Gases in the Atmosphere10
-
1.1 Atoms, Elements and Compounds7
-
1.2 Atomic Structure9
-
1.3 The Arrangement of Electrons in Atoms7
-
1.4 Forming Bonds6
-
1.5 Chemical Equations3
-
2.1 Limestone And Its Uses7
-
2.2 Reactions of Carbonates8
-
2.3 The Limestone Reaction Cycle8
-
2.4 Cement and Concrete5
-
2.5 Limestone Issues3
-
3.1 Extracting Metals10
-
3.2 Iron and Steels12
-
3.3 Aluminium and Titanium14
-
3.4 Extracting Copper12
-
3.5 Useful Metals13
-
3.6 Metallic Issues3
-
4.1 Fuels from Crude Oil10
-
4.2 Fractional Distillation10
-
4.3 Burning Fuels9
-
4.4 Cleaner Fuels11
-
4.5 Alternative Fuels9
-
5.1 Cracking Hydrocarbons13
-
5.2 Making Polymers from Alkenes7
-
5.3 New and Useful Polymers8
-
5.4 Plastic Waste6
-
5.5 Ethanol11
-
6.1 Extracting Vegetable Oil10
-
6.2 Cooking With Vegetable Oils12
-
6.3 Everyday Emulsions11
-
6.4 Food Issues4
