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- 1. Multiple Choice
Select all the statements that are true about elements.
They can be found in the periodic table.
Each element has a different atomic number.
Elements contain one type of atom.
Every element has a symbol which is the capital letter of it's name.
Elements are grouped according to their properties.
- 2. Fill in the Blank
Atoms mostly consist of _____ space.
- 3. Multiple Choice
A column in the periodic table is called a ?
Period
Group
Row
Tally
- 4. Multiple Choice
Select all the statements about atoms that are true.
Atoms are mostly positive charge with some negative electrons dotted in it.
Atoms are made up of sub-atomic particles.
Atoms have a dense nucleus at the centre made up of protons and electrons.
Atoms are indivisible units - they cannot be broken apart.
An atoms nucleus is surrounded by a cloud of electrons.
- 5. Multiple Choice
All elements can be categorized as metals or non-metals.
True
False
- 6. Multiple Choice
Chlorine is an example of a non-metal element.
True
False
- 7. Fill in the Blank
Calcium is an example of a (metal or non-metal) element.
- 8. Multiple Choice
A proton has a relative mass of...
1
0.0005
0
3.14
- 9. Multiple Choice
A neutron has a relative mass of...
1
0.0005
0
3.14
- 10. Multiple Choice
An electron has a relative mass of...
1
0.0005
0
3.14
- 11. Multiple Choice
What is the atomic number of this beryllium atom?
1
2
3
4
- 12. Multiple Choice
What is the nucleon number of this beryllium atom?
4
7
8
9
- 13. Multiple Choice
Select all the statements that are true about oxygen.
Oxygen has an atomic number of 8.
Each oxygen atom has 6 electrons in it's outer shell.
Oxygen is diatomic.
Oxygen has the chemical symbol Ox
An oxygen atom can gain electrons to form an O²+ ion
- 14. Multiple Choice
An ion is formed when an atom gains or loses an electron from it outermost shell.
True
False
- 15. Multiple Choice
Select all the statements which are true about isotopes.
Isotopes have an electrical charge because they gained or lost electrons.
Isotopes have the same number of protons but a different number of electrons.
Isotopes can be radioactive even if other isotopes of the same element are not.
Isotopes of most elements exist in nature.
Isotopes are rarely found naturally and mostly exist because they have been made by scientists.
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