Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Chemistry > Periodic Table > Flashcards

Periodic Table Flashcards

(84 cards)

Start Studying
1
Q

What is the name of the atomic model we use in schools today?

A

The Nuclear Model.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Who is the scientist which discovered electrons?

A

J.J. Thomson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What did Rutherford learn about atoms from experiments?

A

The atoms was mainly empty, the whole atom wasn’t positive and he discovered what the nucleus is.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where the word atom originate?

A

The Greek word ‘atomos’ which means indivisible (can’t be broken into smaller.)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How did our our knowledge of electrons change over time?

A

Electrons have a negative charge not a positive charge, and they orbit around the positive charged nucleus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How did Niels Bohr improve the atomic model?

A

He discovered electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 3 subatomic particles?

A

Protons, neutrons and electrons.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What charges do the 3 subatomic particles have?

A

Neutrons: Neutral
Protons: Positive
Electrons: Negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where in the atom are neutrons and protons located?

A

The nucleus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the nucleus?

A

The nucleus is the middle of the atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Is the nucleus positive or negative charged?

A

Positive charged.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where are the electrons located in the atom?

A

The electrons are located outside the nucleus and they orbit around the nucleus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does orbit mean?

A

Orbit means moving around.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does atom mean?

A

The smallest part of an element that makes up all things.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are all stuff made of?

A

Atoms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How did the atomic model evolve?

A

It started of as the ‘sphere’ then it was called the ‘plum pudding’ then it is now currently called the Niels Bohr model.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does each box in the periodic table represent?

A

An element

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is an element?

A

An atom which is made up of only one atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is a group?

A

A group is a vertical column in the periodic table.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What do groups tell us?

A

Groups tells us how many number of electrons are the. in the outer shell e.g. Group 1 has 1 electron in the outer shell and Group 2 has 2 electrons in the outer shell and so on.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are periods in the periodic table?

A

Periods are the horizontal rows in the periodic table.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What do periods tell us?

A

Periods tells us how many electron shells the elements have e.g. Period 2 has 2 electron shells and Period 3 has 3 electron shells and so on.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

How are elements grouped in group?

A

Elements are grouped in groups based on their similarities.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is a universal language?

A

A uni resale language is a language that everyone know e.g. China and Australia would know the uni resale language even though they are 2 different countries.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is an example of a universal language?
The periodic table.
26
What is atomic mass?
Atomic mass is the number at the top of the element hitch shows the amount of neutrons+protons in an element.
27
What is the atomic number?
The bottom number which shows the amount of protons in an element.
28
Why do some people get confused that Potassium’s symbol is K?
Because the periodic table originates in Latin so Potassium in Latin starts with K.
29
Who was the first periodic table designed by?
Beyuger de Chancourtois.
30
Who was the scientist that got his periodic table rejected?
John Newlands.
31
How did John Newlands organise his periodic table?
He organised the periodic table by ordering by atomic mass.
32
What did John Newlands notice when he was organising the periodic table?
He noticed that every 8 elements had similar properties.
33
What law did John Newlands make when organising the periodic table?
He made the law of octaves which is when he noticed that every eight elements has similar properties.
34
Did John Newlands have any problem when designing the periodic table?
Yes he did when they requested him and they said that John Newlands could’ve done it in alphabetical order but it went in a wrong way after calcium. Since very unreactive copper went with highly reactive sodium and potassium.
35
Was John Newlands periodic table rejected or accepted?
They rejected John Newlands.
36
What was the name of the scientist whose periodic table got accepted?
Dimitri Mendeleev.
37
In which order did Dimitri Mendeleev organise his periodic table?
He did it the same way as John Newlands but he didn’t know who John Newlands was.
38
What did Mendeleev notice about the elements in the same group?
He noticed there were elements that hadn’t been discovered year and left gaps with an asterisk (*) .
39
Did Dimitri Mendeleev’s periodic table get accepted or rejected?
It was accepted and it is the periodic table we still use now but there are many more elements discovered and put in the periodic table.
40
How do we know that leaving gaps in the periodic table worked?
Because in 1875, Gallium was discovered. This element fit the properties which Mendeleev predicted and dint in to his periodic table.
41
What is a property?
Characteristics shown by something e.g. High Melting Point.
42
What is a physical property?
Characteristics of elements that can be obeserved or measured but do not change the chemicals in the substance
43
What is an example of a physical property?
The substance being shiny and having a high density.
44
What is a chemical property?
This is a characteristic that can be measured or observers but it involves a chemical change to the substance.
45
What is an example of a chemical property?
The substance being flammable and that the substance rusts.
46
What does conduct mean?
Allows the transfer of something e.g. heat/electricity.
47
Are metals poor conductors or good conductors?
Good conductors.
48
Are non-metals poor conductors or good conductors?
Poor conductors.
49
What are the properties of metal?
High melting and boiling point, good conductors of heat and electricity, malleable, ductile and they are shiny.
50
What are the properties of non-metals?
They are dull, poor conductors of heat and electricity, have a low melting and boiling point, they are not ductile or malleable and they are brittle.
51
What is the name of Group 1 in the Periodic Table?
The Alkali Metals.
52
What are the elements that make up Group 1?
Lithium, sodium, potassium, rubidium, caesium and francium.
53
What are the properties of Group 1 metals?
They are soft, have a low density, have a low melting point and are very shiny.
54
What are the Group 1’s reaction with water?
They smoke and the colour changes, it whizzes around in the water and for sodium and potassium it sparks/ignites.
55
How do you which alkali metal is more reactive than the other?
When you go down the group, the metal goes more reactive.
56
What is the sum of adding an alkali metal to water?
Alkali metal + water ➡️ alkali metal hydroxide + hydorogen. You can substitute ‘alkali metal’ to whatever Group 1 metal you are referring to.
57
What is the name of Group 7 in the periodic table?
The Halogens.
58
What are the elements that make up Group 7 elements?
Fluorine, Chlorine, Bromine, Iodine and Astatine.
59
What is the symbol for the elements that make up Group 7?
Fluorine:F Chlorine: Cl Bromine:Br Iodine:I Astatine:At
60
What is the state at room temperature for the elements that make up Group 7?
Fluorine: Gas Chlorine: Gas Bromine: Liquid Iodine: Solid Astatine:Solid
61
What happens with the boiling point and melting point when you go down Group 7?
The melting and boiling point increase as you go down the group because the intermolecular forces between the halogens increase which leads to an increase in melting and boiling points.
62
What happens to the reactivity of halogens when you go down the group?
As you go down the group they get less reactive since the size of the element increases when you go down the group so it is harder to gain electrons.
63
What does displacement mean?
When a more reactive element removes joined atoms from a less reactive element.
64
What is a displacement reaction mean?
Where the more reactive I’ve metal is taking the place of the least reactive metal in a compound.
65
What is an example of a displacement reaction?
Iron oxide + zinc ➡️ zinc oxide + iron. (Since Iron is less reactive than zinc in the second part of the sum iron and zinc swap places in the sum.)
66
What does electron configuration mean?
The order in which the shells are filled with electrons.
67
What is another name for the atomic number?
The proton number.
68
How do you find the amount of protons and electrons in an element?
You look at the atomic number, which is the bottom number of the element, and the atomic number is the number of protons/neutrons. For example, Fluorine’s atomic number is 9 so there will be 9 protons/electrons.
69
How do you find the amount of neutrons in an element?
You do this sum: mass number- atomic number. E.g. the atomic number of fluorine is 9 and the mass number is 19 so you do 19-19 which means there are 10 neutrons in Fluorine.
70
What is the maximum amount of electrons in the 1st shell?
2 electrons.
71
What is the maximum amount of lecterns in the 2nd shell?
8 electrons.
72
What is the maximum amount of electrons in the 3rd shell?
8 electrons, and there are 8 electrons in each shell after the first.
73
What is the name for group 0?
The Noble Gases.
74
Which element make up Group 0?
Helium,Neon,Argon,Krypton and Xenon.
75
What does chemically inert mean?
They don’t react with anything under normal circumstances.
76
What does having a full outer shell lead to?
They are already stable and don’t need to lose or gain electrons.
77
What are the properties that the Noble Gases have in common?
They are non-metals, colourless, very unreactive gases, monoatomic, chemically inert and they all have full outer shell.
78
What does monoatomic mean?
They exist as single atoms.
79
Which element of the Nobel Gases has 2 electrons in their outer shell?
Helium.
80
How many electrons do the other elements of the noble gases have?
8.
81
What are the uses of noble gases linked to?
The fact that the elements are chemically inert and their tendency to give light when an electric current passes through them.
82
What is helium uses for?
Party balloons, weather balloons, and airships.
83
What is neon used for?
Red-coloured lights and lasers.
84
What is argon used for?
Shielding gas for welding and surrounding the filament in an old-fashioned lightbulb.

Chemistry (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions