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Paper 1 facts Chemistry – Atomic Structure & periodic table Flashcards | StudBud
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Paper 1 facts Chemistry – Atomic Structure & periodic table
Paper 1 facts Chemistry – Atomic Structure & periodic table
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22 facts AQA minus history of the PT
Flashcards
18 cards
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Questions
18
Answers
1
What name is given to two or more elements or compounds not chemically combined?
Mixture
Element
Oxide
Compound
2
What is the mass number of an element the sum of?
The protons and neutrons in an atom
The electrons and neutrons in an atom
The protons and electrons in an atom
3
What does the atomic number indicate about the atoms of an element?
The number of neutrons
The number of protons
4
What do elements in the same group of the periodic table have in common?
The same number of protons in the outer shell
Same boiling points
Similar properties
The same number of electrons in the outer shell
5
Filtration, crystallisation, simple/fractional distillation and chromatography are all used to?
Separate elements
Separate mixtures
Separate compounds
6
How does the reactivity change going down group 1?
It decreases
It stays the same
It increases
7
What is the approximate radius of an atom?
1cm
0.1nm (1x10-10m)
1mm
0.1nm (1x10-100m)
8
What is the name given to the smallest part of an element that can exist?
Atum
Speck
Atom
Cell
9
What charge does an electron have?
Negative
No charge
Positive
Neutral
10
Which particle has very little mass?
Electron
Proton
Neutron
11
Which group of the periodic table is known as the alkali metals?
The halogens
Group 0
Group 7
Group 1
12
What react to form positive ions?
Oxides
Halogens
Non-metals
Metals
13
What is the name of atoms of the same element that have different numbers of neutrons?
Halogens
Isomers
Allotropes
Isotopes
14
About how many elements are there in the periodic table?
Millions
1000
100
10
15
The elements in the periodic table are arranged in order of atomic number
False
True
16
What name is given to two or more elements chemically combined in fixed proportions?
Element
Compound
Mixture
Oxide
17
Elements of which group of the periodic table are unreactive and don't easily form molecules?
The halogens
Group 0
Group 7
Group 1
18
Which group of the periodic table is known as the halogens?
Group 1
Group 2
Group 7
Group 0
