Chemistry Yr10 Flashcards
1
Q
Relative mass of proton
A
1
2
Q
Relative mass of neutron
A
1
3
Q
Relative charge of electron
A
-1
4
Q
Relative charge of proton
A
+1
5
Q
Relative charge of neutron
A
0
6
Q
Relative mass of electron
A
0
7
Q
Isotope
A
Atom with same number of protons, different number of neutrons, element with the same atomic number but different mass number
8
Q
Atomic number
A
Number of protons
9
Q
Mass number
A
Protons + neutrons
10
Q
Number of protons
A
Atomic number
11
Q
Number of electrons
A
Atomic number
12
Q
Number of neutrons
A
Mass number - atomic number
13
Q
Atoms of the same element have the same number of
A
Protons
14
Q
Group 0
A
Noble gases
15
Q
Group 7
A
Halogens
16
Q
Requires energy
A
Endothermic
17
Q
Releases energy
A
Exothermic
18
Q
Combustion
A
Exothermic
19
Q
Neutralisation
A
Exothermic
20
Q
Photosynthesis
A
Endothermic
21
Q
Melting ice
A
Endothermic
