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Elements of the periodic table Flashcards | StudBud
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Elements of the periodic table
Elements of the periodic table
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gcse ocr 21st century science chemistry new specification quiz on groups of the periodic table
Flashcards
19 cards
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Questions
19
Answers
1
Which scientist proposed the 'plum pudding' model of the atom?
John Newlands
Ernest Dalton
JJ Thomson
Ernest Rutherford
2
Which sub-atomic particle has a mass of 1 and no charge?
neutron
quark
electron
proton
3
Spot the odd one out
Newlands
Mendeleev
Dobereiner
Thomson
4
Sodium has how many neutrons?
12
11
13
5
Fill in the blank: 2Na + 2H
2
O --> ________ + H
2
NaOH
2NAOH
naoh
2NaOH
6
Which of the following will have the highest boiling point and density?
Radon
Neon
Argon
Xenon
7
Which halogen is a grey solid that turns into a purple gas when heated?
fluorine
iodine
bromine
chlorine
8
If bromine dissolved in water is added to potassium chloride, you will see...
purple due to bromine displacement
red due to bromine displacement
no colour change
green due to bromine displacement
9
Mendeleev did NOT organise the periodic table using...
Increasing atomic number
Increasing atomic mass
Gaps for missing elements
Groups
10
Which of these are NOT noble gases?
Helium
Neon
Chlorine
Argon
11
The electron shell diagrams represents an atom of...
potassium
fluorine
neon
sodium
12
The reason that noble gases are so unreactive is because....
they have two electrons in their outer shell
they have one electron in their outer shell
They have seven electrons in their outer shell
they have eight electrons in their outer shell
13
Which of these elements has two electrons in its outer shell?
Ba
Pb
Cl
At
14
Iodine is more reactive than chlorine.
True
False
15
Rubidium is less reactive than sodium.
False
True
16
If chlorine dissolved in water is added to potassium bromide, you will see...
purple due to bromine displacement
green due to bromine displacement
no colour change
red due to bromine displacement
17
Dobereiner organised the elements into...
groups
periods
triads
octaves
18
The element with the electron configuration 2.8.7 is....
neon
chlorine
fluorine
argon
19
Which scientist discovered the noble gases?
William Ramsay
JJ Thomson
William Rowland
Ernest Rutherford
