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BMAT > Chensitry-1 (concepts) > Flashcards

Chensitry-1 (concepts) Flashcards

1
Q

Nucleus contains what two things

A

Protons /neutrons

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2
Q

Protons equal?

A

electrons

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3
Q

If electrons are removed or added what happens?

A

Atom becomes charged (+,-)

Becomes an ion

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4
Q

An element has a fixed amount of …… which defines it as being that element

A

Protons

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5
Q

Same groups have what

A

Similar properties

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6
Q

2… , …… , ……

A

2,8,8

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7
Q

Top number on periodic table

A

Mass # (p+n)

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8
Q

Bottom number

A

Proton number

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9
Q

Ionic bonding is formed from what two things

A

Metal + non metals

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10
Q

In ionic bonding, what gains electrons

What does it form

A

Non metal

Forms negative ion

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11
Q

What loses electrons in ionic bonding

What is formed

A

Metals

Becomes a positive ion

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12
Q

A covalent bond forms between what compound

A

Non metals 2x

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13
Q

Water of crystallisation is what

A

Water integrated into a lattice of salt

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14
Q

What does a water of crystallisation form?

A

A hydrated salt

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15
Q

Heating a liquid will cause what to surface particles

A

Surface particles overcome forces of attraction

Leading to evaporation

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16
Q

How easily a liquid evaporates is called what

A

Volatility

17
Q

Solution

A

Mixture of a solute and a solvent

18
Q

Solute

A

Substance being dissolved

19
Q

Solvent

A

The liquid

20
Q

Solubility

A

A measure of how much will dissolve

21
Q

Bonds in the …. which hold the ions/molecules together break, causing …. to mix with the liquid forming a solution

A

Solvent

Solute

22
Q

Why is something not soluble

A

The attraction of the different molecules isn’t as strong as the attraction between the same molecules

*more attracted to themselves than eachother

23
Q

Alcohols and esters can be used as what

A

Solvents

BMAT (21 decks)

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