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WorksheetsF1 SC C6
Total questions: 25
Worksheet time: 14mins
Jay combines water, sugar, and lemon juice to form lemonade. What type of substance was made?
Element
Molecule
Mixture
Which of the following does not describe elements?
All particles are alike
Can be broken down into simpler substances
Have unique sets of properties
Join together to form compounds
What is the chemical formula for water?
NaCl
CO2
NH3
H2O
What is a mixture?
an atom
2 or more substances that are together in the same place, but their atoms are not chemically bonded
a substance that cannot be broken down into any other substances by physical or chemical means
A substance made of 2 or more elements that are chemically
combined in a set ratio
The smallest unit of an element that has all the basic properties of the element is called what?
compound
mixture
element
atom
How would you separate sand and water?
boil
filter
magnetic
put it in the fridge
made up of?
Atom are the ______ units of all matter.
air
solid
main
basic
Atom cause matter to exist in three states which are gases, liduids and _____________ .
main
basic
solid
air
The nucleus is formed by electrons and neutrons.
True
False
Electrons obit around the nucleus.
True
False
How to seperate tea leaves and water?
Distillation
Chromatography
Using a magnet
Sieving
how to separate iron powder and sand?
Filtration
Using a magnet
Distillation
Evaporation
Which example below not classified as compound?
water
Air
carbon dioxide
Ammonia
Which is metal element?
Fe
H
S
Cl
Element in which groups are inert gases?
group 1
group 5
group 14
group 18
Which of the following is the smallest particle?
Atom
Molecule
Element
Compound
A______ is made up of two or more combined atoms
molecule
Atom
proton
Element
An/A _________ is the simplest form of substance that cannot be broken down into any simpler substance by chemical or physical methods.
element
compound
mixture
molecule
