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G7 assignment
Mass number is the number of electron
Who was the first scientist that talked about atom?
G7 assignment
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Answers
1
Who was the first scientist that talked about atom?
Democrats
Rutherford
Bohr
Chadwick
2
Mass number is the number of electron
True
False
3
What are the parts of the atom?
Proton ,neutron and electron
Electron and neutrons
Pronton and nucleus
No correct answer
4
Atomic Theory is the theory of what?
the evolution of the atom
the evolution of science
5
The first atomic theory was proposed by
Aristóteles
Dalton
Rutherford
Boyle
6
Atomic mass consists of
neutrons + protons
Electrons + protons
electrons
protons+ electrons + neutrons
7
What is atomic theory?
Most atoms are metals.
Atoms can be rearranged to form new elements.
Everything is made up of tiny particles called atoms.
Atoms make up compounds.
8
Neutron has no charge
True
False
9
What is the charge of proton?
Positive
Has no charge
Negative
Neutral
10
What is atomic theory?
Everything is made up of tiny particles called atoms.
Atoms can be rearranged to form new elements.
Most atoms are metals.
Atoms make up compounds.
