3872593
Descrição
Quiz por Sarah HERED, atualizado more than 1 year ago
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Criado por Sarah HERED
mais de 8 anos atrás
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Questão 1
Questão
The periodic table is made out of compounds.
Responda
- True
- False
Questão 2
Questão
An element is made out of:
Responda
-
One type of atom
-
More than one type of atom
Questão 3
Questão
An element and a compound is made out of more than one type of atom
Responda
- True
- False
Questão 4
Questão
Air is a compound
Responda
- True
- False
Questão 5
Questão
The periodic table has
Responda
-
more non-metals, they are on the right side
-
more metals, they are on the left side
-
more non-metals, they are on the left side
-
more metals, they are on the right side
Questão 6
Questão
Carbon dioxide:
Responda
-
CO2
-
C2O
Questão 7
Questão
H20:
Responda
-
water
-
hydrogen
Questão 8
Questão
MgO
Responda
-
Magnesium oxygen
-
Magnesium oxide
Questão 9
Questão
A molecule is made out of compounds
Responda
- True
- False
Questão 10
Questão
An atom is
Responda
-
the smallest particle of any substance
-
the smallest particle of any atom
Questão 11
Questão
In a compound, you can vary the amount of each substance
Responda
- True
- False
Questão 12
Questão
A compound:
Responda
-
Elements are joined and a separation is easy
-
Elements are not joined and a separation is easy
-
Elements are not joined and a separation is only possible by a chemical reaction
-
Elements are joined and separation is only possible by a chemical reaction
Questão 13
Questão
In a compound, the property is different from the elements it contains
Responda
- True
- False
Questão 14
Questão
In a mixture, you can vary the amount of each substance, the substances are joined and the substances are "easy" to separate.
Responda
- True
- False
Questão 15
Questão
Choose one answer here that is not a separation method.
Responda
-
Distillation
-
Density
-
Filtration
-
Evaporation
-
Chromatography
-
Extraction
Questão 16
Questão
In distillation and extraction, the difference is the ability to dissolve.
Responda
- True
- False
Questão 17
Questão
The difference in particle size
Responda
-
Distillation
-
Density
-
Filtration
-
Evaporation
Questão 18
Questão
Difference in boiling point
Responda
-
Distillation
-
Filtration
-
Evaporation
Questão 19
Questão
Chromatography:
Responda
-
difference in boiling point
-
difference in the ability to dissolve
Questão 20
Questão
How many atoms fit on the point of a needle?
Responda
-
A billion
-
A hundred
-
Ten
-
A million
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