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Q 1/23
Score 0
What is an atom?
60
smallest part of an element that can exist
the sub-atomic particle matter is made up of
the element matter is made up of
the small balls matter is made up of
Q 2/23
Score 0
What is Dalton's model of the atom?
60
The plum pudding model
the nuclear model of the atom
sphere of positive charge with negative electrons embedded in it
Atoms as solid spheres that could not be divided into smaller parts
23 questions
Q.
What is an atom?
1
60 sec
Q.
What is Dalton's model of the atom?
2
60 sec
Q.
What is the plum pudding model of the atom?
3
60 sec
Q.
In the alpha scattering experiment scientists observed some alpha particles were deflected by the gold foil.
What did they conclude from this observation?
4
60 sec
Q.
Describe the nuclear model of the atom.
5
60 sec
Q.
What did Neils Bohr discover?
6
60 sec
Q.
What did James Chadwick discover?
7
60 sec
Q.
Where are protons and neutrons found?
8
60 sec
Q.
Which one of these subatomic particles has a relative mass of almost 0?
9
60 sec
Q.
10
60 sec
Q.
What is the relative mass of a neutron?
11
60 sec
Q.
12
60 sec
Q.
13
60 sec
Q.
What is the atomic number of an atom?
14
60 sec
Q.
15
60 sec
Q.
Why do atoms have no overall charge?
16
60 sec
Q.
How many electrons would you place in the first, second, and third shells?
17
60 sec
Q.
What is the name of a substance made up of only one type of atom?
18
60 sec
Q.
What is the name of a substance made up of more than one type of atom chemically joined together?
19
60 sec
Q.
What is the name of a substance made up of two or more different substances that are not chemically combined?
20
60 sec
Q.
What is the name of atoms of the same element with the same number of protons but different number of neutrons are?
21
60 sec
Q.
What is the relative atomic mass?
22
60 sec
Q.
Which one of these is NOT a physical process that can be used to separate mixtures?
