Q.1.
The mass of this particle is so small that it is not counted.
Q.2.
The atomic mass of Helium is
Q.3.
The atomic mass of Hydrogen is
Q.4.
Protons and neutrons is so small, they are assigned a mass of 1 in these units
Q.5.
The atom 714𝑁has a mass of 14.𝑒.The mass defect equals ______.
Q.6.
The mass ofis𝑒 where;= 1.* 10-27π‘˜π‘”. This mass is equal to:
Q.7.
When nucleons form stable nucleus, bindingenergy is _______.
Q.8.
Which of the following statements is/are correctregarding the binding energy of the nucleus.I. It is equivalent to the mass defectII. It is the energy that holds the nucleustogetherIII. It is the energy required to remove aproton from the nucleus
Q.9.
As the binding energy of a nucleus increases, theenergy required to separate the nucleus intonucleons _____.
Q.10.
The energy equivalent in joules of the mass of2.0 *10-π‘˜π‘” _____.
Q.11.
Mass of 6 electrons is ________ amu.
Q.12.
Mass of 5 protons is _________ amu.
Q.13.
Mass of protons equals to _________. amu.
Q.14.
The Carbon-atom is used by physicists to establish
Q.15.
Choose the answer that correctly describes Iron.
Q.16.
Main sequence stars of all masses are fusing what element to make helium
Q.17.
When protons and neutrons combine to form a nucleus , mass of the nucleus will be
Q.18.
What happens to the extra .of matter that is left over when hydrogen is fused into helium?
Q.19.
Mass of protons is _________ amu.
Q.20.
Mass of electrons equals to ______. amu.