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Tests > Fireworks > Flashcards

Fireworks Flashcards

1
Q

All substances are made up of

A

Atoms

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2
Q

Atoms consist of

A

Three sub-atomic particles
1) protons
2) electrons
3) neutrons

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3
Q
  1. The charge on a proton is
A

1+

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4
Q
  1. The charge on a neutron is
A

0

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4
Q
  1. The charge on an electron is
A

1-

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5
Q
  1. The mass of a proton is
A

1 amu

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6
Q
  1. The mass on an electron is
A

1/2000 amu

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7
Q
  1. The mass on a neutron is
A

1 amu

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8
Q
  1. The mass number is
A

The atomic number

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9
Q
  1. Elements are classified using
A

…

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10
Q
  1. Elements contain only
A

….

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11
Q
  1. The rows of elements are called
A

Periods

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12
Q
  1. The columns of elements are called
A

Groups

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13
Q
  1. Group 1 elements are called
A

Alkali metals

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14
Q
  1. Group 7 elements are called
A

Halogens

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15
Q
  1. Group 0 elements are called
A

Noble gases

16
Q
  1. The metals between groups 2 and 3 are called
A

Transition metals

17
Q
  1. What is a compound?
A

When different elements join together.

18
Q
  1. Compounds containing 2 elements end with
A

Ide

19
Q
  1. Compounds containing 3 elements, one of which is oxygen..
A

Ate

20
Q
  1. The chemical formula tells us
A

…

21
Q
  1. What is a physical reaction?
A

Change in substance

22
Q
  1. What is a chemical reaction?
A

Chemicals reacting to produce a substance.

23
Q
  1. What does combustion mean?
A

Scientific term for something settting on fire.

23
Q
  1. The signs of a chemical reaction
A

Effervescence, colour change, precipitate forms and energy change.

24
Q
  1. An example of combustion is
A

A substance having a reaction to being set on fire.

25
Q
  1. When a fuel containing carbon and hydrogen burns in air the products are…..
A

Hydrocarbon fuels

26
Q
  1. Exothermic means
A

Heat

27
Q
  1. The test for carbon dioxide is
A

Using a burning splint to see if it relights.

28
Q
  1. The test for water is
A

…

29
Q
  1. The breaking down of a compound using electricity is called
A

Electrosis

Tests (23 decks)

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