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Chemistry > Elements > Flashcards

Elements Flashcards

1
Q

What is an element?

A

A material with only one type of atom

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2
Q

What two groups do elements generally fall into?

A

Metals and non-metals

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3
Q

What is a chemical symbol?

A

An abbreviation for an element

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4
Q

What rules must chemical symbols follow?

A

First letter must be a capital and all other letters must be small letters

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5
Q

How are elements listed?

A

The Periodic Table

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6
Q

What are elements 57-71 known as?

A

The lanthanides

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7
Q

What are elements 89-103 known as?

A

The actinides

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8
Q

What state are metals at room temperature? (Usually)

A

Solid

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9
Q

What does a metal look like?

A

Shiny

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10
Q

Are metals insulators or conductors? (Both thermal and electrical)

A

Conductors

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11
Q

Do metals break easily?

A

No they are malleable and ductile

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12
Q

What effect does gentle heating have on a metal?

A

No effect/little effect

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13
Q

What sound does a metal make when it is struck?

A

Sonorous

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14
Q

What is the density of a metal like?

A

High density

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15
Q

What is unusual about carbon (graphite)?

A

Non-metal but conducts well

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16
Q

What is unusual about copper?

A

Metal but not silver/grey

17
Q

What is unusual about silicon?

A

Non metal but shiny

18
Q

What is unusual about lead?

A

Metal but melts during gentle heating

19
Q

What is unusual about bromine?

A

Non-metal but liquid at room temperature

20
Q

What is unusual about mercury?

A

Metal but liquid at room temperature

21
Q

What are soluble metal oxides?

A

Alkalis

22
Q

What are soluble nonmetal oxides?

A

Acids

23
Q

What is an allotrope?

A

When an element forms different materials from a different element structure

24
Q

Which two materials are formed from carbon?

A

Diamond and graphite

25
Q

What two materials are formed from tin?

A

White tin and grey tin

26
Q

What is white tin?

A

A shiny, malleable, silver metal

27
Q

What is grey tin?

A

A brittle non metal?

28
Q

What happened when Napoleon tried to conquer Russia?

A

The tin buttons on soldiers on soldiers’ coats and the tins of food turned to grey tin in the harsh winter and Napoleon had to retreat after many soldiers died

Chemistry (4 decks)

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