Atoms and Molecules Week 16 Mcqs

Atoms and Molecules Week 16 Mcqs - 1 N 2 2N 2 3 N 2 4 2N...

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Atoms and Molecules Week 16 Usama Farooq Question  1 Question: An example of a triatomic molecule is ___________. 1 . Ozone 2 . Nitrogen 3 . Carbon monoxide 4 . Hydrogen Answer: 1 Question  2 Question: The quantity of matter present in an object is called its _________. 1 . Mass 2 . Volume 3 . Density 4 . Vapour pressure Answer: 1 Question  3 Question: The smallest particle of a substance that is capable of independent existence is _________. 1 . Atom 2 . Molecule 3 . Electron 4 . Proton
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Answer: 2 Question  4 Question: 1 . Atomic number 2 . Atomic mass 3 . Atomic mass scale 4 . Number of electrons Answer: 2 Question  5 Question: The number of atoms in a molecule of the elementary substance is called ________. 1 . Atomic number 2 . Avogadro number 3 . Atomic mass 4 . Atomicity Answer: 4 Question  6 Question: 2 molecules of nitrogen are represented by ________.
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Unformatted text preview: 1 . N 2 . 2N 2 3 . N 2 4 . 2N Answer: 2 Question 7 Almost the entire mass of an atom is concentrated in the__________. 1 proton . 2 . electron s 3 . nucleus 4 . neutrons Answer: 3 Question 8 Question: Electron was discovered by___________. 1 . Chadwic k 2 . Thomso n 3 . Goldstei n 4 . Bohr Answer: 2 Question 9 Question: An atom has a mass number of 23 and atomic number 11. The number of protons are_________. 1 . 1 1 2 . 1 2 3 . 2 3 4 . 4 4 Answer: 1 Question 10 Question: The mass of the atom is determined by________. 1 . Neutrons 2 . neutron and proton 3 . Electron 4 . electron and neutron Answer: 2...
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This note was uploaded on 01/17/2012 for the course MASS COMMU 107 taught by Professor Masror during the Spring '11 term at College of E&ME, NUST.

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Atoms and Molecules Week 16 Mcqs - 1 N 2 2N 2 3 N 2 4 2N...

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