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Flashcards in Elements, Atoms, Compounds Deck (63):
1

Right or left does the non metals occur?

The right hand side.

2

Is the metals on the left hand side or the right hand side?

Metals.

3

How much space does the non metals take up in the periodic table?

1/5th.

4

How much space does the metals take up in the periodic table?

4/5th.

5

What do all the bottom numbers of element have?

Atomic numbers.

6

What is the group 1?

Alkali metals

7

What is group 7?

Halogen. ( salt maker )

8

Name examples of alkali metals!

Lithium, sodium, potassium, rubidium, caeslum,francium

9

Name the halogen group 7

Flourine, chlorine, bromine, iodine, astatins

10

What is a group 0/8?

Noble gas.

11

Name the noble gases.

Helium , neon, argon, krypton, xeonon, radon.

12

What is a molecule

A molecule is two or more atoms chemically joined

13

Can they come from the same element or different elements?

Both.

14

What is a compound?

Two or more atoms from different elements chemically joined

15

Can you have a compound of two atoms that are the same?

No you can't, as they are chemically joined.

16

Work out this compound.


Iron+sulphur

Iron sulphide

17

What colour is iron?

Grey

18

What colour is sulphur?

Yellow

19

What state is iron?

A solid.

20

What state is sulphur?

Solid

21

Is iron magnetic?

Yes

22

Is sulphur magnetic?

No

23

Is iron dense?

It is denser than water.

24

Is sulphur dense?

Less dense than water.

25

How many properties does a compound have?

It has very different properties to the element

26

What is a compound made from

Conducts elect

27

What does an atoms of a gas look like?





🌕

🌕 🌕 🌕

28

What does atoms of an element look like?


Like a pyramid.


🌕🌕🌕🌕🌕
🌕🌕🌕
🌕🌕
🌕

29

What does a molecule of 2 identical atoms look like?

🌕🌕 🌕🌕
🌕🌕


🌕🌕 🌕🌕

Like a square and two in the middle.

30

What does a compound that's also a molecule look like?






🌕 🌕
🌕🌕 🌕🌕


🌕
🌕🌕 🌕
🌕🌕

31

What do all elements have?

There own symbol.

32

Do some questions on elements in compounds.


Hydrogen and chlorine =

Hydrogen chloride

33

Lithium + fluorine=

Lithium fluoride

34

Nitrogen + oxygen

Nitrogen dioxide

35

Carbon+oxygen =

Carbon dioxide

36

Carbon + hydrogen

Methane

37

CH4

1 Carbon+ 4 hydrogen

38

Al 0
2 3

2 aluminium + 3 oxygen

39

Word equations.


Potassium chloride + fluorine =

Potassium fluoride+ chloride

40

Potassium iodide + chloride=

Potassium chloride + iodine

41

Chemical equations.
KCL+ F2 -------- KF+CL2
K=2 --------- K= X2
Cl=2 --------- Cl=2
F=2 -------- F=X2


BALANCE IT OUT

Chemical equations.
KCL+ F2 -------- KF+CL2
K=2 --------- K= 2
Cl=2 --------- Cl=2
F=2 -------- F=2


42

What does the staircase do?

It divides the non metals from the metals.

43

Name two liquid elements

Hg- Mercury - is a metal
Br- bromine - non metal

44

What is iron sulphide made up of

Iron and sulphur

45

HI

Hydrgen+iodine

46

C02

Carbon dioxide

47

Ch4

Carbon and hydrogen= methane

48

Cacl2

Calcium chloride

49

What does dio mean

Two

50

Are halogens safe to work with?

No

51

Going down the group how does the melting point change?

It increases

52

Going down the group how does the boiling point change?

It increases

53

Going down the group how Does the density change?

Increases

54

What state is fluorine

Gas

55

What colour is fluorine

Light green

56

What state is chlorine

Gas

57

What colour is chlorine?

Green/ yellow

58

What state is bromine?

Liquid

59

What colour is bromine?

Red/ brown

60

What state is iodine?

Solid

61

What colour is iodine?

Purple

62

What state is Astastine?

Solid

63

What colour is Astastine?

Black