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Chemistry Year 9 Yaseen Caratela > Atomic Structure > Flashcards

Atomic Structure Flashcards

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1
Q

What is Limewater?

A

Calcium Hydroxide

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2
Q

What is thermal decomposition?

A

The breaking down of compounds into simpler compounds or elements through heat.

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3
Q

What colour is NO2 gas?

A

Brown

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4
Q

How do you test for Oxygen gas?

A

It relights a glowing splint

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5
Q

What is electrolysis?

A

The breaking down of compounds into simpler compounds or elements through electricity.

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6
Q

What is the cell?

A

The container in which electrolysis takes place

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7
Q

What is the electrolyte?

A

The solution or molten substance to be electrolysed, it is a compound that can conduct electricity.

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8
Q

What is the anode?

A

The Positive electrode

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9
Q

What is the cathode?

A

The Negative electrode

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10
Q

What is the battery?

A

The power for the circuit

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11
Q

What happens if something is higher than Hydrogen in the reactivity series in Electrolysis?

A

Hydrogen is formed instead

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12
Q

What are ions?

A

Electrically charged particles of matter

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13
Q

Where do the positively charged ions go?

A

To the negative electrode (and vice versa)

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14
Q

What are ions like in a solid?

A

They are held in fixed positions

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15
Q

What reaction is needed to obtain Gold?

A

No reaction is needed

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16
Q

What is a native metal?

A

A metal that is found as the element itself

17
Q

How do you work out the number of neutrons in an atom?

A

You take away the mass number (at the top) by the Atomic number (at the bottom).

18
Q

How do you work out the number of protons and electrons in an atom?

A

After working out the number of neutrons, the remainder is the number of protons/electrons

19
Q

How do you work out the electric configuration?

A

It is the number of electrons closest to the nucleus on the diagram and the number of electrons furthest from the nucleus on the diagram, e,g, 2,1.

20
Q

What is decomposition?

A

The breaking down of a compound into simpler compounds or elements.

Chemistry Year 9 Yaseen Caratela (4 decks)

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