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WorksheetsWHAT IS INSIDE ATOM
Total questions: 12
Worksheet time: 6mins
FUNDAMENTAL PARTICLE AMONG THESE IS
ELECTRON
PROTON
NUETRON
ALL OF THESE
WHO DISCOVERED ELECTRON
ALBERT EINSTEIN
SIR ISAAC NEWTON
J J THOMSON
ERNEST RUTHERFORD
WHO DISCOVERED PROTON
JAMES CHADWICK
J J THOMSON
G J STONY
ERNEST RUTHERFORD
ACCORDING TO RUTHERFORD MODEL OF ATOM, WHERE PROTONS ARE LOCATED?
INSIDE NUCLEUS
INSIDE MOLECULE
AROUND THE NUCLEUS
NO WHERE IN THE ATOM
THE FIRST MODEL OF AN ATOM IS GIVEN BY
SOMERFELD
J J THOMSON
ERNEST RUTHERFORD
NEILS BOHR
The atomic number is the number of
protons
neutrons
electrons
An electron has a .................. charge
positive
negative
How do we know the name of an element
count the protons
count the electrons
count the neutrons
............ are found inside the nucleus.
electrons only
neutrons only
protons and neutrons
Protons are .......... charged.
positively
negatively
Which is part of an atom?
matter
element
proton
mass
Atomic number = number of ...........
electrons
neutrons
protons
