Atoms Molecules and Ions

Atoms Molecules and Ions
If an atom loses electron the ion obtained is charged
positively
negatively
neutral
null charge
Author: rikazzz Comment
Atoms Molecules and Ions
A theory of movement of electrons in a fixed orbit around nucleus was given by
Thomson’s Model
Rutherford’s Model
Dalton’s Model
Bohr Model
Author: rikazzz Comment
Atoms Molecules and Ions
The number of atoms which a molecule of sulphur contains, is
3
8
4
5
Author: rikazzz Comment
Atoms Molecules and Ions
The number and types of atoms a molecule contain, are shown by its
chemical formula
molecular formula
structural formula
atomic formula
Author: rikazzz Comment
Atoms Molecules and Ions
Dalton’s model of atom states that an atom is
very small
hard sphere
indivisible
all of above
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Atoms Molecules and Ions
The total number of protons in atom of each element is called its
atomic number
atomic mass
molecular mass
atomic scale
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Atoms Molecules and Ions
Smaller particles in an atom are called
atomic particles
subatomic particles
smaller particles
neutral particles
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Atoms Molecules and Ions
The nucleus in an atom consists of
protons
neutrons
electrons
both a and b
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Atoms Molecules and Ions
The positively charged particles of an atom are called
protons
neutrons
electrons
charges
Author: rikazzz Comment
Atoms Molecules and Ions
An electrically charged particle which is formed when an atom gains or loses electron is called
ion
charge
formula
neutron
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