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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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#chemistry #ks4 #GCSE #periodictable
Flashcards
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Questions
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Answers
1
How should the mass of reactants and products compare?
It depends on the reaction
They should be the same
Products weigh more
Reactants weigh more
2
Where do you find the metals on the periodic table?
Right
Left
3
Which scientist is responsible for organising the periodic table?
Rutherford
Mendeleev
Einstein
Newton
4
What happens to atoms in a reaction?
New atoms are made
Some atoms are lost
Atoms change into different atoms
Atoms just get reorganised
5
How many elements are there on the periodic table?
About 300
About 100
About 50
About 1000
6
What is the symbol for relative formula mass?
Ar
RFM
RFM
Mr
7
Where do you find the non-metals on the periodic table?
Left
Right
8
How is the current periodic table organised?
Its not, its random
By atomic number
Alphabetically
By atomic mass
9
What is the relative formula mass of HNO
3
? H=1, N=14 and O=16
63
64
59
31
10
Before Mendeleev, how was the periodic table organised?
By atomic number
By atomic mass
It wasn't
Alphabetically
11
What go we call the columns of the periodic table?
Groups
Periods
12
Non-metal atoms gain electrons to become...
...negative ions
...postive ions
13
Metal atoms lose electrons to become...
...postive ions
...negative ions
14
Why are elements put in the same group?
They have the same number of shells
They are the same size
They look the same
They have the same number of electrons in the outer shell
15
What is the relative formula mass of NaOH? Na = 23, O = 16 and H = 1
39
41
42
40
16
What is the relative formula mass of MgCl
2
? Mg=24 and Cl=35.5
119
79.5
95
80
17
What do we call the rows of the periodic table?
Groups
Periods
