What is matter?
Atoms, elements and compounds | Starter Quiz | Oak National Academy

Quiz
•
Chemistry
•
9th Grade
•
Hard
Oak National Academy
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
anything that takes up space and has mass
only liquids and solids
only gases
energy
Answer explanation
Matter is anything that takes up space and has mass, including solids, liquids, gases.
2.
MATCH QUESTION
1 min • 1 pt
Match the following elements with their correct atomic number (found on the periodic table).
Neon
11
Chlorine
26
Iron
17
Sodium
10
Answer explanation
Neon - 10 Iron - 26 Chlorine - 17 Sodium - 11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melting ice is an example of ...
a chemical change.
a physical change.
both a physical and chemical change.
neither a physical nor chemical change.
Answer explanation
Melting ice is a physical change because it involves a change in state (from solid to liquid) without altering the chemical composition of water.
4.
MATCH QUESTION
1 min • 1 pt
Match the subatomic particles with their correct charge.
Electron
Positive
Neutron
Negative
Proton
Neutral
Answer explanation
Protons are positively charged, neutrons have no charge and are neutral, and electrons are negatively charged.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the majority of an atom's mass located?
in the electrons
in the nucleus
evenly distributed throughout the atom
Answer explanation
The majority of an atom's mass is located in the nucleus, which contains protons and neutrons. Electrons contribute very little to the atom's overall mass.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The term "nucleus" is used in multiple subjects but refers to different things. What does the nucleus refer to in chemistry?
the centre of an atom, containing protons and neutrons
the part of a cell that contains genetic material
a cluster of neuronal cell bodies within the brain
a dense cluster of stars or galaxies, especially at the centre of a galaxy
Answer explanation
In chemistry, the nucleus refers to the centre of an atom, containing protons and neutrons. This is different from its use in other disciplines. All shown definitions are real definitions, but only one of them is relevant to us in chemistry.
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