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Chemistry N5 > Unit 1 > Flashcards

Unit 1 Flashcards

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1
Q

Where are protons found?

A

• In the nucleus

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2
Q

What is the mass of a proton and it’s charge?

A

• Positive charge and a mass of 1

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3
Q

Where are neutrons found?

A

• In the nucleus

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4
Q

What is the mass of a neutron and it’s charge?

A

• Neutral charge and a mass of 1

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5
Q

Where are electrons found?

A

• Outside of the nucleus in the electron shells

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6
Q

What is the mass of an electron and it’s charge?

A

• Negative charge and a mass of 0

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7
Q

Why are atoms neutral?

A

• Atoms are neutral because the number of positively charged protons equals the number of negatively charged electrons.

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8
Q

What is an isotope?

A

• Isotopes are atoms with the same atomic number (same element) but different mass number.

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9
Q

What is ionic bonding?

A
  • Usually between metals and non-metals

* Only found in compounds

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10
Q

What is covalent bonding?

A
  • Usually between non-metals

* Found in both elements and compounds

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11
Q

What is metallic bonding?

A
  • Between metals

* Found only in elements

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12
Q

What’s are ions?

A

• Ions are charged particles

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13
Q

Shape of molecules

A
  • Linear
  • Angular
  • Trigonal pyramidal
  • Tetrahedral
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14
Q

When does Ionic Molecules conduct?

A

•only in solution or molten

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15
Q

Ionic Molecules are only attracted between….

A

•Positive and negative ions

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16
Q

What is oxidation?

A

•Is the term given to the process of losing electrons

17
Q

What is Reduction?

A

•Is the term given to the process of gaining electrons

18
Q

What is a Redox Reduction?

A

•Is when both a reduction and an oxidation reaction take place

19
Q

What is OIL RIG?

A

•Oxidation it loss Reduction is gain

20
Q

Acid contain more _____ ions

A

H+

21
Q

Alkali contain more _____ ions

A

OH-

22
Q

What’s the formula for Hydrochloric Acid?

A

HCl

23
Q

What’s the formula for Sulfuric Acid?

A

H SO

2 4

24
Q

lWhat’s the formula for Nitric Acid?

A

HNO

3

25
Q

Alkali equation for Neutralisation?

A

• Acid + Alkali

Salt + Water

26
Q

Metal Oxide equation for Neutralisation?

A

•Acid + Metal oxide
=
Salt + Water

27
Q

Metal Carbonate equation for Neutralisation?

A

• Acid + Metal Carbonate
=
Salt + Water +
Carbon Dioxide

28
Q

Metal equation for Neutralisation?

A

•Acid + Metal

Salt+Hydrogen Gas

29
Q

What does a Neutraliser do?

A

•Moves the pH of an acid or an alkali towards pH7

30
Q

What is a base?

A

•Is a substance that neutralises an acid.

Chemistry N5 (2 decks)

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