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Chemistry > Lent Term Yr 7 Test > Flashcards

Lent Term Yr 7 Test Flashcards

1
Q

What is the symbol for Hydrogen?

A

H

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2
Q

What is the symbol for Helium?

A

He

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3
Q

What element has the symbol Li?

A

Lithium

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4
Q

Fill in the blank: The symbol for Beryllium is ____.

A

Be

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5
Q

What is the symbol for Boron?

A

B

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6
Q

True or False: The symbol for Carbon is C.

A

True

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7
Q

What is the symbol for Nitrogen?

A

N

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8
Q

What element has the symbol O?

A

Oxygen

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9
Q

What is the symbol for Fluorine?

A

F

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10
Q

Fill in the blank: The symbol for Neon is ____.

A

Ne

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11
Q

What is the symbol for Sodium?

A

Na

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12
Q

What is the symbol for Magnesium?

A

Mg

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13
Q

The symbol for Aluminum is ____.

A

Al

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14
Q

What is the symbol for Silicon?

A

Si

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15
Q

What is the symbol for Phosphorus?

A

P

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16
Q

What is the symbol for Sulfur?

A

S

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17
Q

True or False: The symbol for Chlorine is Cl.

A

True

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18
Q

What is the symbol for Argon?

A

Ar

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19
Q

What element has the symbol K?

A

Potassium

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20
Q

What is the symbol for Calcium?

A

Ca

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21
Q

What is the symbol for Iron?

A

Fe

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22
Q

What is the symbol for Zinc?

23
Q

What element has the symbol Cu?

24
Q

Fill in the blank: The symbol for Lead is ____.

25
Q

What is the symbol for Silver?

26
Q

What is the symbol for Gold?

27
Q

We cannot survive without this element, which is taken into our body via our lungs

28
Q

A very reactive metal which is part of the compound known as salt.

29
Q

This substance is sometimes used to fill balloons because it is less dense than air, so the balloons will float upwards

30
Q

This metal is an orangey colour and a very good conductor

31
Q

This element is a precious metal, but not as expensive as gold or platinum

32
Q

This element is a yellow solid at room temperature. It is found in volcanoes, geysers and hot springs. When it reacts with oxygen it smells like eggs!

33
Q

This element is explosive! It used to be used to fill airships, but was too dangerous.

34
Q

This element is a metal and burns with a bright white flame if heated

35
Q

This element is poisonous. You can sometimes smell it at the swimming pool, where it is used to kill bacteria

36
Q

This element is found in several forms: graphite and diamond are two of them. It is a major part of all living things

37
Q

What happens to warm coke?

A

-flat
-no CO2 dissolved in it
- solubility of a gas decreases as temperature is increased. i.e. the hotter the solvent, the less gas that can dissolve.
- This is the opposite to what happens to the solubility of solids as the temperature is raised

38
Q

Which is fizzier: warm fizzy drinks or cold fizzy drinks?

A

Cold fizzy drinks

39
Q

Soluble

A
  • solute dissolved in solvent forms a clear solution
  • has not become a saturated solution
40
Q

Insoluble

A
  • does not dissolve in particular liquid
  • when shaken/mixed it will become cloudy, suspension
41
Q

What happens when a sugar lump is dissolved into water?

A
  • Water particles are always moving
  • When a lump of sugar is added to water, the moving water bump into the sugar particles, knocking them away from the rest of the sugar particles and into the water.
  • split into individual particles that are too small to see.
  • each sugar particle is surrounded by water particles
42
Q

Molecule

A

2 or more non-metal atoms chemically bonded together
- atoms can be same OR different

43
Q

Atom

A

Smallest particle of a chemical element

44
Q

Element

A
  • A substance made of only one type of atom
  • pure atoms found in the periodic table
45
Q

Compound

A

A substance made up of 2 or more elements that are chemically bonded together

46
Q

Mixture

A

2 or more substances that are mixed, but NOT chemically bonded.

47
Q

Group

A

A column (vertical)

48
Q

Period

A

A row (horizontal)

49
Q

Alkali metals

A
  • A group of elements
  • group one elements
50
Q

Alkaline earth metals

A

Group 2 elements

51
Q

Transition metals

A

Middle group ( most elements)

52
Q

Halogens

53
Q

Noble gases

Chemistry (2 decks)

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