Questions
1. What is
the first element on the periodic table?
2. What is
the centre of an atom called?
3. True or
false? Acids have a pH level below 7
4. What is
the main gas found in the air we breathe?
5. True or
false? An electron carries a positive charge.
6. Famous New
Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?
7. What is
the chemical symbol for gold?
8. K is the
chemical symbol for which element?
9. What
orbits the nucleus of an atom?
10. At room
temperature, what is the only metal that is in liquid form?
11. True or
false? A neutron has no net electric charge
12. A nuclear
reaction where the nucleus of an atom splits into smaller parts is known as
nuclear fission or nuclear fusion?
13. What is H20
more commonly known as?
14. What is
the third most common gas found in the air we breathe?
15. What is
the name given to substances that are initially involved in a chemical
reaction?
16. True or
false? Bases have a pH level below 7.
17. Is sodium
hydroxide (NaOH) an acid or base?
18. Atoms of
the same chemical element that have different atomic mass are known as?
19. True or
false? A proton carries a positive charge
20. What is
the fourth most abundant element in the universe in terms of mass?
Answers
1. Hydrogen
2. A nucleus
3. True
4. Nitrogen
(around 78%)
5. False
6. Chemistry
7. Au
8. Potassium
9. Electrons
10. Mercury
11. True
12. Nuclear
fission
13. Water
14. Argon
(around 1%)
15. Reactants
16. False
17. Base
18. Isotopes
19. True
20. Carbon
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