Periodic Table Flashcards

1
Q

How are elements arranged

A

they are arranged in their atomic number.

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2
Q

Columns are the….
Rows are….
How many blocks are there….

A

groups
periods
4 but in the exam we are shown 3

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3
Q

Group 1
Group 7
Group 0

A

alkali
Halogens
Noble Gases

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4
Q

Nobel gases are….

A

Stable

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5
Q

Halogens and Alkalis react….

A

aggressively

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6
Q

In each new period we will see….

A

new outer shells, while electrons are added moving to the right.

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7
Q

Group 1
Group 2
Group 3
Group 4, 5, 6, 7, 0

A

1 electron on outer shell
2 electrons on the outer shell
3 electrons
4, 5, 6, 7, 0 on the outer shell

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8
Q

What do blocks help us identify

A

the subshell the outer most electrons are on

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9
Q

s- blocks
p- blocks
d- block

A

1 and 2 group
3- 0 group
between group 2 and 3 which contain transition metals

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10
Q

What are the properties of an element?

A

atomic radius
ionisation energy
electronegativity

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11
Q

What is the atomic radius dependant on?

A

number of protons in the nucleus

Number of shells

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12
Q

As you go across a period what will change with each element?

A

the number of protons because the number will increase as you go along, and the electrons will be the same amount as the protons.

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13
Q

What is ionisation energy

A

It is the energy that allows elements to remove electrons when needed to.

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14
Q

What happens to the nuclear charge as you go across a period?

A

The nuclear energy increases.

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15
Q

As you down a group what happens?

A

the shells increase

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16
Q

Electronegativity

A

The ability of a bonded atom to attract a pair of electrons in a covalent bond

17
Q

S- block is……

A

metals

18
Q

D- blocks is…..

A

transition metals

19
Q

Group 7

A

halogens

20
Q

Group 0 or 8

A

Nobel Gases

21
Q

What do transition metals tend to form?

A

coloured compounds and solutions

22
Q

As you go down what happens to the physical properties of g7 non-metals

A

The physical properties change because of their melting and boiling points

23
Q

How many electrons do g0 or q8 have on the outer shell?

A
g0= 0 electrons
g8= 8 electrons
24
Q

What happens to g0 elements at room temperature?

A

They are all gases

25
Q

Is it true that g0 elements have little electronegativity and high ionisation energy?

A

yes