Structure Of The Atom Mock Tests
28 questions available
Structure Of The Atom Mock Test 1
Questions:
28
Sample Questions
Which of the following particles in an atom has no electric charge?
Which of the following statements about isotopes is correct?
An atom has 11 protons, 11 electrons and 12 neutrons. What is its mass number?
An element has electronic configuration 2, 8, 4. To which group of the periodic table does it belong?
Which of the following particles was discovered first?
What is the valency of an element with atomic number 17?
Isotopes of an element differ in the number of:
Isotopes of an element have different:
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