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14 questions
Any thing that has mass and occupies space is ________
Area
Volume
Space
Matter
The SI unit of Mass is ______
Kilogram (g)
Kilogram (kg)
Gram (g)
Newton (N)
Which of the diagrams below represents the particles in a liquid
What is the boiling point of pure water?
101°C
100°C
99C°
100C°
Melting point of pure water is?
100°C
1000°C
0°C
010°C
Change of state of matter from Gas to Liquid is...
Condensation
Evaporation
Freezing
Boiling
Change of state of matter from Solid to Liquid is...
Boiling
Evaporation
Condensation
Melting
Atomic number is the number of ________
number of protons in an atom
number of Electrons in an atom
the Mass Number of an atom
the number of nucleons in an atom
The mass number, also called the atomic mass is the total number of ___________ in an atomic nucleus.
Protons + Electrons
Neutrons + Atoms
Protons + Neutrons
Nucleons + Neutrons
What is the number of protons in Neon?
20
10
40
30
What are the number of neutrons in Neon?
30
20
40
10
What is the symbol for Fluorine?
Fe
Fl
F
Fu
When two or more elements are combined together chemically in a fixed proportion it is called ______
An element
A mass
A mixture
A compound
What is the chemical formula for Sodium Chloride?
NaCl
Na-Cl
Na+Cl
Na2Cl2
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