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Science > Yr 8 Term 1 > Flashcards

Yr 8 Term 1 Flashcards

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1
Q

What is the symbol for Hydrogen

A

H

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2
Q

Symbol for helium

A

He

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3
Q

Lithium

A

Li

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4
Q

Beryllium

A

Be

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5
Q

Boron

A

B

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6
Q

Carbon

A

C

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7
Q

Nitrogen

A

N

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8
Q

Oxygen

A

O

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9
Q

Fluorine

A

F

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10
Q

Neon

A

Ne

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11
Q

Sodium

A

Na

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12
Q

Magnesium

A

Mg

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13
Q

Aluminum

A

Al

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14
Q

Silicon

A

Si

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15
Q

Phosphorus

A

P

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16
Q

Sulfur

A

S

17
Q

Chlorine

A

Cl

18
Q

Argon

A

Ar

19
Q

Potassium

A

K

20
Q

Calcium

A

Ca

21
Q

What is it called when a solid turns to a liquid

A

Fusion

22
Q

What is it when a liquid turns into a gas

A

Vaporization

23
Q

What is it called when a gas turns into a liquid

A

Condensation

24
Q

What is it called when a liquid turns into a solid

A

Solidification

25
Q

What is it called when a solid turns into a gas

A

Sublimation

26
Q

What is it called when a gas turns into a solid

A

Deposition

27
Q

What is a reactant

A

The starting substance in a chemical reaction

28
Q

What is combustion

A

Any chemical reaction where a substance burns oxygen and produces heat

29
Q

What is corrosion

A

When a material reacts with the chemicals around it

30
Q

What is a lattice

A

A reoccurring chain of atoms in a grid like structure

E.G carbon, salt silicon dioxide

31
Q

What are some signs of a chemical reaction

A 
Production of gas
Smell
Bubbles/fizzing
Smoke or steam is visible
Condensation
Explosion
Flame/light is produced 
Change in temp
Change in texture
32
Q

What is a physical change

A

Anything that can be reversed

E.G solid –) liquid

Science (5 decks)

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