Fireworks Flashcards
1
Q
All substances are made up of
A
Atoms
2
Q
Atoms consist of
A
Three sub-atomic particles
1) protons
2) electrons
3) neutrons
3
Q
- The charge on a proton is
A
1+
4
Q
- The charge on a neutron is
A
0
4
Q
- The charge on an electron is
A
1-
5
Q
- The mass of a proton is
A
1 amu
6
Q
- The mass on an electron is
A
1/2000 amu
7
Q
- The mass on a neutron is
A
1 amu
8
Q
- The mass number is
A
The atomic number
9
Q
- Elements are classified using
A
…
10
Q
- Elements contain only
A
….
11
Q
- The rows of elements are called
A
Periods
12
Q
- The columns of elements are called
A
Groups
13
Q
- Group 1 elements are called
A
Alkali metals
14
Q
- Group 7 elements are called
A
Halogens
15
Q
- Group 0 elements are called
A
Noble gases
16
Q
- The metals between groups 2 and 3 are called
A
Transition metals
17
Q
- What is a compound?
A
When different elements join together.
18
Q
- Compounds containing 2 elements end with
A
Ide
19
Q
- Compounds containing 3 elements, one of which is oxygen..
A
Ate
20
Q
- The chemical formula tells us
A
…
21
Q
- What is a physical reaction?
A
Change in substance
22
Q
- What is a chemical reaction?
A
Chemicals reacting to produce a substance.
23
Q
- What does combustion mean?
A
Scientific term for something settting on fire.
23
Q
- The signs of a chemical reaction
A
Effervescence, colour change, precipitate forms and energy change.
24
Q
- An example of combustion is
A
A substance having a reaction to being set on fire.
25
Q
- When a fuel containing carbon and hydrogen burns in air the products are…..
A
Hydrocarbon fuels
26
Q
- Exothermic means
A
Heat
27
Q
- The test for carbon dioxide is
A
Using a burning splint to see if it relights.
28
Q
- The test for water is
A
…
29
Q
- The breaking down of a compound using electricity is called
A
Electrosis
