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BTEC SCIENCE > Unit 1 Chemistry > Flashcards

Unit 1 Chemistry Flashcards

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1
Q

What side of the periodic table are metals on?

A

Left hand side.

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2
Q

What is the relative charge and relative mass of a proton?

A

Charge=+1 and Mass=1

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3
Q

What is the relative charge and mass of a neutron?

A

Charge=0 Mass=1

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4
Q

What is the relative charge and mass of an electron?

A

Charge=-1 Mass=0.0005

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5
Q

What is the structure of an atom?

A

The protons and neutrons are in the middle and the electrons revolve around it.

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6
Q

What is the atomic number?

A

The number of protons.

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7
Q

What is the mass number?

A

The number of protons and neutrons.

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8
Q

What is it called when the number of neutrons in an atom differs?

A

An isotope.

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9
Q

What do atoms have equal number of?

A

Protons and neutrons.

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10
Q

Atoms of one element always have the same number of ………..

A

Protons

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11
Q

How big is the nucleus of an atom?

A

Small compared to the atom.

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12
Q

In a scientific form of an element where do you find the mass number and atomic number?

A

The mass number is at the top with the protons and neutrons. The atomic number is at the bottom which is the protons.

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13
Q

What are the columns on a periodic table called?

A

Groups

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14
Q

What is the same about elements in the same group?

A

They got the same number of electrons.

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15
Q

What does the group number stand for?

A

The number of electrons it has.

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16
Q

How are electrons arranged in an atom?

A

Around the nucleus.

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17
Q

How are electrons shells filled?

A

The innermost are first.

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18
Q

What are the maximum number of electrons in a shell?

A

One is 2, second is 8 and the third one is 8

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19
Q

What is the formula for oxygen?

A

O2. It has two oxygen atoms.

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20
Q

What is the formula for carbon monoxide?

A

CO. One carbon atom and one oxygen atom.

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21
Q

What is the formula for carbon dioxide?

A

CO2. One carbon atom and two oxygen atoms.

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22
Q

What is the formula for water?

A

H2O. Two hydrogen atoms and one oxygen atom.

23
Q

What is the formula for Sulfur dioxide?

A

SO2. One sulphur atom and two oxygen atoms.

24
Q

What is the formula for Sulfuric acid

A

H2SO4. Two hydrogen, one sulphur and four oxygen atoms.

25
Q

What is the formula for sodium carbonate

A

NaCO3. One sodium, one carbon and three oxygen atoms

26
Q

What is an element made of

A

One type of atom

27
Q

What is a compound made of

A

Two or more different types of atom bounded together

28
Q

What is a molecule made of

A

2 or more atoms bounded together

29
Q

What is a mixture made of

A

Several substances not bounded together

30
Q

What is the pH of acids

A

1-6. The lower the number the stronger

31
Q

What nutralizes acids

A

Basses

32
Q

What are acids when they strong

A

Corrosive

33
Q

What are acids when they are weak

A

Irritant

34
Q

What color will a strong acid go

A

Red

35
Q

What color will a weak acid go

A

Yellow

36
Q

What color will a strong alkaline go

A

Purple

37
Q

What color will a weak alkaline go

A

Blue

38
Q

What color will neutral go

A

Green

39
Q

What are basses

A

They neutralize acids

40
Q

What is a base that desolves in water

A

An alkaline

41
Q

What is the pH of alkalines

A

8-14

42
Q

What is the chemical reaction called between an acid and an alkaline

A

Neutralization

43
Q

What is the pH of salt and water

A

7

44
Q

How to write the reaction between an acid and alkaline

A

Acid+Alkaline = salt+ water

45
Q

How do you name a salt

A

First see what metal it came from. Second see what acid it came from

46
Q

What is the second part salts name of hydrochloric acid

A

Chloride

47
Q

What is the salt name’s name for sulphuric acid

A

Sulphate

48
Q

What is the salt’s name for Nitric acid

A

Nitrate

49
Q

When an acid is mixed with carbonate

A

Salt, water and carbon dioxide

50
Q

What does salt and a metal make

A

Salt and hydrogen

51
Q

What does acid and metal hydroxide make

A

Salt and water

52
Q

What does metal and metal oxide make

A

Salt and water

53
Q

What does acid and metal carbonate make

A

Salt, water and CO2

54
Q

What can neutrialsation reactions do

A

The cure indigestion with a tablet

BTEC SCIENCE (3 decks)

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