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Matter and Atoms
Matter and Atoms Quiz Quiz
10 multiple choice questions
Q1: What are the three states of matter?
A) Solid and liquid
B) Solid, liquid, and gas
C) Liquid and gas
D) Hot, cold, and warm
Q2: Which state of matter has a definite volume but no definite shape?
A) Solid
B) Gas
C) Liquid
D) Plasma
Q3: What is the smallest unit of an element that retains its properties?
A) An atom
B) A molecule
C) A compound
D) An electron
Q4: The nucleus of an atom contains:
A) Electrons only
B) Protons and neutrons
C) Only electrons and protons
D) Only neutrons
Q5: What is the atomic number of an element?
A) Number of neutrons
B) Total number of particles
C) Number of protons
D) Number of electrons plus neutrons
Q6: A molecule is:
A) Two or more atoms chemically bonded together
B) The smallest part of an element
C) A single atom
D) A negatively charged particle
Q7: What happens during a physical change?
A) A new substance is formed
B) The substance changes form but keeps its identity
C) Atoms are destroyed
D) Protons change number
Q8: Which is an example of a chemical change?
A) Ice melting to water
B) Water evaporating
C) Rusting of iron
D) Cutting paper
Q9: The mass number is the total number of:
A) Protons and neutrons
B) Electrons and protons
C) Neutrons only
D) Protons only
Q10: An element is defined by its number of:
A) Protons
B) Neutrons
C) Electrons
D) Protons and neutrons
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