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MCQ Questions for CBSE Class 12 with Answers
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Quiz
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The Atom
1.
What is the basic building block for all matter in the universe?
Atom
Nucleus
Cell
Electron
2.
What is a substance called that consists of a single type of atom?
Proton
Element
Compound
Quark
3.
Around how long do Atoms last?
Nearly forever
Only a few seconds
4 to 5 days
100 years
4.
What two basic particles make up the nucleus of an atom?
Neutron and Proton
Proton and Electron
Neutrino and Neutron
Electron and Quark
5.
What positively charged particle is located at the center of the atom in the nucleus?
Neutron
Quark
Proton
Electron
6.
What particle has no charge and affects the mass of the atom?
Neutron
Proton
Electron
Quark
7.
What particle has no charge, is formed by nuclear reactions, and travels at the speed of light?
Neutrino
Proton
Electron
Neutron
8.
What negatively charged particle spins around the nucleus of the atom?
Quark
Neutron
Proton
Electron
9.
What tiny particle is described using the terms up, down, top, bottom, charm, and strange?
Neutron
Proton
Electron
Quark
10.
An atom is said to have a neutral charge if it contains the same number of what two particles?
Electrons and protons
Neutrons and neutrinos
Neutrons and protons
Electrons and quarks
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