Which of the following is present in the largest amount in terms of percent by mass in the earth's crust
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' Mohs scale ' is used to indicate the
The upper part of the mantle upon which the crust of the earth floats is called
Which one of the following is present in the largest amount in terms of percent by mass in the earth's crust
Which planet was named after the Roman God Zeus
The discovery of neutron became very late because
The most abundant metal in earth crust is
The most suitable unit for expressing nuclear radius is
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