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- 1. Multiple Choice
Which is the correct definition for an element?
A substance made up of only one type of atom that can be broken down
Two or more substances that are not chemically combined
Two or more different atoms that are chemically combined
A substance made up of only one type of atom that cannot be broken down
- 2. Multiple Choice
C is the correct chemical symbol for which element?
calcium
copper
carbon
caesium
- 3. Multiple Choice
The smallest part of an element is called...
a compound
a mixture
an element
an atom
- 4. Multiple Choice
Which is the correct definition for a compound?
A substance made up of only one type of atom that can be broken down
Two or more substances that are not chemically combined
Two or more different atoms that are chemically combined
A substance made up of only one type of atom that cannot be broken down
- 5. Multiple Choice
What is the missing word? The properties of a compound are __________ the elements it is made up of.
the same as
different to
- 6. Multiple Choice
Which is correct?
iron and sulfur are both metals
iron and sulfur are both non metals
iron is a non metal and sulfur is a metal
iron is a metal and sulfur is a non metal
- 7. Multiple Choice
What is the correct name for CO?
carbon dioxide
carbon monoxide
cobalt
carbon oxide
- 8. Multiple Choice
Which elements are present in H2SO4?
hydrogen and oxygen
hydrogen, oxygen and sodium
hydrogen, oxygen and sulfur
hydrogen, oxygen and silicon
- 9. Multiple Choice
How many atoms of aluminium are there in the chemical formula for aluminium oxide: Al2O3
2
3
5
1
- 10. Multiple Choice
Which element has the chemical symbol Ni?
nitrogen
nickel
sodium
neon
- 11. Multiple Choice
What is the chemical symbol for copper?
C
Co
Cp
Cu
- 12. Multiple Choice
What is the chemical symbol for gold?
Ag
Go
Gu
Au
- 13. Multiple Choice
Is water an element or a compound?
compound
element
- 14. Multiple Choice
How many different elements are there in Mg(OH)2
2
3
4
5
- 15. Multiple Choice
True or false: Hydrogen atoms go around in pairs called molecules
True
False
- 16. Multiple Choice
What is the name of the compound formed from sodium and chlorine?
sodium chlorine
schloride
sodium chloride
chloride sodium
- 17. Multiple Choice
Water molecules exist as liquid at room temperature. How do molecules of hydrogen and oxygen exist at room temperature?
solid
liquid
gas
- 18. Multiple Choice
A property of sodium is that it fizzes when it reacts with water. What is a property of chlorine?
It is an orange liquid at room temperature
It is a green gas at room temperature
It is a black solid at room temperature
It is a colourless gas at room temperature
- 19. Multiple Choice
What is the correct chemical symbol for iron?
Ir
I
Fe
Fr
- 20. Multiple Choice
The forces that hold molecules of water together are stronger than the forces that hold molecules of oxygen together. This means that water has...
a lower boiling point than oxygen
a higher boiling point than oxygen
the same boiling point as oxygen
- 21. Multiple ChoiceWhat is the tiniest particle in the entire universe?cellsgasesatomsliquids
- 22. Multiple ChoiceWhich part of an atom has no charge?protonsneutronselectronsatoms
- 23. Multiple Choice
What is the picture displayed?AtomElementMoleculeCompound - 24. Multiple ChoiceWhat is the picture displayed?atomelementmoleculecompound
- 25. Multiple ChoiceAre these molecules also compounds?YESNO
- 26. Multiple ChoiceAre these molecules also compounds?YESNO
- 27. Multiple ChoiceWhat is the picture displayed?atomelementmoleculecompound
- 28. Multiple Choice
This diagram represents...
An element
A molecule
A compound
A mixture of elements and compounds
- 29. Multiple ChoiceWhat forms when two atoms combine?A nucleusA protonA moleculeA neutron
- 30. Multiple ChoiceWhat is at the center of every atom?An electronA compoundA nucleusA molecule
- Answer choicesTagsAnswer choicesTags