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ATOMIC STRUCTURE (BASIC)
ATOMIC STRUCTURE (BASIC)
17 terms
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ks3 and ks4 quiz
Flashcards
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Questions
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Answers
1
Which of the following is a radioactive element?
Radium
Nickel
Helium
Chlorine
2
Who made the modern periodic table?
Dmitri Mendeleev
Donald Trump
Charles Darwin
Thomas Edison
3
How big is an atom?
Can be seen with magnifying glass
All the above
Very small
Can only see with a powerful microscope
4
The charge of Proton is
Positive
Negative
None
Neutral
5
Which element from the periodic table is present in the milk?
potassium
Calcium
Sodium
Magnesium
6
Approximately how many elements are there in the periodic table?
Little less than 200
Around 150
75
100
7
Solid, Liquid & gas are called
States of matter
particles
substances
products
8
Which of the following element is found in the salt?
Potassium
Sodium
Calcium
Magnesium
9
The charge of Electron is
Positive
Neutral
Negative
None
10
Where do you find most metals in the periodic table?
on the left
only at the bottom
On the right
only in the middle
11
All metals conduct heat and electricity.
May be
True
False
12
what is the atomic number of sodium?
22
21
11
12
13
How many neutrons are there in Bromine?
45
55
35
79
14
Which gas is used in the balloons to float?
Oxygen
Helium
Nitrogen
Carbon dioxide
15
What are the three particles inside an atom?
Electron, shells, nucleus
proton, electron, neutron
proton, orbit, nucleus
Nucleus, proton, electron
16
What is the centre of an Atom?
Orbit
Electron
Neutron
Nucleus
17
What is the atomic number of Helium?
5
4
2
3
