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Chemistry Recap Flashcards | StudBud
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Chemistry Recap
Chemistry Recap
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Year 8 Chemistry Revision - Periodic table groups, elements etc.
Flashcards
19 cards
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Practice quiz
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Questions
19
Answers
1
The substances you end up with after a chemical change are called
Products
Reactants
Elements
Atoms
2
How many electrons does this element have?
20
8
5
10
3
What is a mixture?
Made up of only one atom
A substance of two or more different atoms bonded together
A combination of substances with their own properties
4
Is this a physical or chemical change?
Physical
Chemical
5
Is this a chemical or physical change?
Physical
Chemical
6
What is a compound?
Substance made up of only one atom
A substance of two or more different atoms bonded together
A combination of substances with their own properties
7
Which Alkali metal is the most reactive with water?
Caesium
Francium
Lithium
Potassium
8
How many electrons does this element have?
4
3
5
2
9
This property describes whether an element will allow electricity to pass through
Malleability
Luster
Conductivity
Ductility
10
The compound water is made up of
one Hydrogen atom, two Oxygen atoms
two Oxygen atoms
two Hydrogen atoms, one Oxygen atom
one Hydrogen atom
11
A chemical change is when
A new substance is produced
It can be observed
12
Which group includes lead, tin and copper?
Metalloids
Metals
Non-metals
Halogens
13
What is a physical property?
Things that can be observed
Flammability
Formation of a new chemical
Toxicity
14
Sight, Touch, Feel, Taste, and Hear are known as our
Feelings
6 Senses
5 Senses
Chemical reactions
15
Alkaline Earth Metals are found in Group
1
2
7
8
16
The group of elements on the yellow zigzag line are the
Metals
Metalloids
Non-metals
Alkali metals
17
Mg is the symbol for what element?
Manganese
Calcium
Magnesium
Sodium
18
The substances you begin with in a chemical change are called
Atoms
Products
Elements
Reactants
19
Group 8 are known as the
Alkaline Earth Metals
Noble gases
Alkali Metals
Halogens
