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Chemistry S2 > S2 Module 1 > Flashcards

S2 Module 1 Flashcards

1
Q

What is the smallest particle of matter

A

An atom

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2
Q

How many elements on the periodic table

A

120

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3
Q

How many types of atoms in an element

A

1

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4
Q

How can elements be made

A

Natural or man made

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5
Q

What are elements Hg and Bg at room temp

A

Liquid

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6
Q

What are the columns on a period table called

A

Groups

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7
Q

What are the rows called on the Periodic Table

A

Periods

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8
Q

What are elements given to identity themselves

A

Symbols

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9
Q

Where are the metals on the periodic table

A

On the left hand side

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10
Q

Where are the non metals on the periodic table

A

The right hand side

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11
Q

What are metals like

A

Shiny and electrical conductors

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12
Q

What are non metals like

A

Dull and non conductors or energy, except for carbon graphite

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13
Q

When are compounds formed

A

When elements react together

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14
Q

What have different properties from the elements they are made from

A

Compounds

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15
Q

What are the elements in a compound like

A

They are chemically bonded together

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16
Q

Are compounds easy to separate

A

No

17
Q

What shows you that there is oxygen in a compound

A

If the compounds name ends in

Or ‘-ite’ or ‘-ate’

18
Q

Is a new substance formed during physical changes

A

No

19
Q

Are physical changes easy to reverse

A

Yes

20
Q

Describe physical changes

A

No new substance is formed, it’s a change of state

21
Q

An example of sublimation

A

When dry ice is exposed to air it goes from solid state to gas and is visible as fog

22
Q

Give an example of evaporation

A

When a puddle is warmed and evaporated into the air

23
Q

Give an example of condensation

A

Glasses fogging up in a warm building on a cold winter day

24
Q

Give an example of melting

A

When an ice lolly is left outside on a warm summer day

25
Q

Give an example of freezing

A

When water turns to ice

26
Q

What happens during a chemical reaction

A

One or more substances are formed

27
Q

Are chemical reactions easy to reverse

A

No

28
Q

How can chemical reactions be identified

A

In appearance of substance, colour change, gas evolved, precipitate formed

29
Q

What’s the difference from physical and chemical change

A

Physical changes are easy to reverse, chemical changes are not

30
Q

What group contains the alkali metals

A

Group 1

31
Q

What group are the halogens

A

Group 7

32
Q

What group are the noble gasses

A

Group 8

33
Q

Where are the transition metals

A

Between group 2 and 3

Chemistry S2 (4 decks)

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