Atoms Molecules and Ions

Atoms Molecules and Ions
The number of oxygen atoms in glucose molecule is 6 and in hydrogen molecules is
6
12
18
8
Author: rikazzz Comment
Atoms Molecules and Ions
In nucleus, mass of an atom is more than
0.9994
0.9499
0.9949
0.4999
Author: rikazzz Comment
Atoms Molecules and Ions
Rutherford’s Model explains that atom has a nucleus which is surrounded by
protons
electrons
neutrons
nuclear energy
Author: rikazzz Comment
Atoms Molecules and Ions
A modern model of an atom shows that electrons are present outside nucleus in the region of high
probability
velocity
speed
energy level
Author: rikazzz Comment
Atoms Molecules and Ions
Neutrons carry
positive charge
negative charge
neutral charge
no charge
Author: rikazzz Comment
Atoms Molecules and Ions
A silver pendant is made up of atoms of
silver
gold
platinum
metals
Author: rikazzz Comment
Atoms Molecules and Ions
The diameter of a ‘nucleus’ is
0.00001nm
1nm
0.1nm
0.01nm
Author: rikazzz Comment
Atoms Molecules and Ions
The smallest particle of an atom which exists, is called
matter
atom
proton
electron
Author: rikazzz Comment

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