Science 14 - Chemistry Unit review 2025/2026 questions and answers complete solution 100%

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Science 14 - Chemistry Unit review 2025/2026 questions and answers complete solution 100%

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element Any pure (single) substance made up of atoms compound two or more elements combined together Periodic Table symbol for an element can be found here

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Science 14 - Chemistry Unit review
2025
element
Any pure (single) substance made up of atoms

compound
two or more elements combined together

Periodic Table
symbol for an element can be found here

atom
smallest part of a chemical element

NaCl
Sodium Chloride is also known as table salt. It is a compound made up of 1 atom of
sodium and 1 atom of chlorine.
H₂O
Water is a compound made up of two atoms of Hydrogen and 1 atom of Oxygen
Na₂O
Sodium Oxide is a compound made up of 2 atoms of sodium and 1 atom of Oxygen
matter
everything around us, it take up space and has mass

, WHMIS stands for?
Workplace Hazardous Material Information System
What does this the gas under pressure whims symbol look like?
WHMIS Symbol

The Particle Theory of Matter
Particles are always moving. They move faster when they have more energy.
What state of matter has the particles spaced close together and slightly vibrating?
Solid

What state of matter has a particles space apart and moving around relatively fast?
Liquid

What state of matter has particles very spaced apart from one another and the particles
are moving very fast?
Gas

What is the fourth state of matter?
Plasma
Physical properties
Describe the physical appearance and composition of a substance eg. colour, texture,
lustre
Chemical properties

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Uploaded on: June 11, 2025
Number of pages: 6
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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Science 14 - Chemistry Unit review 2025/2026 questions and answers complete solution 100%

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