Reference no: EM13112693
We just finished the chapter on Dalton's Atomic Theory, atomic radius, atomic number, mass number and neutrons. I would like to review these terms with the help of a multiple chose quiz. Can you provide the answers to the following quiz, which I am only using for study purposes? Thank you.
1) Atomic mass is expressed in atm.
(a) Correct
(b) Incorrect
2) Atomic radius is the distance between two adjacent atoms.
(a) True
(b) False
3) Pick the wrong statement:
(a) Isotopes have different mass numbers but the same atomic number.
(b) Isotopes have the same mass number but different atomic numbers.
4) Pick the correct statement:
(a) Atomic number is the sum of the number of protons and neutrons.
(b) Atomic number is the number of protons.
(c) The number of electrons are the atomic number of an atom.
5) True or false:
Dalton's Atomic Theory states all of the following:
- matter is made up from tiny,
- indestructible particles called atoms
- the atoms of one element are all identical
- that atoms of different elements have the same mass
(a) True
(b) False
6) Formula weight is the sum of atomic weights in a chemical formula.
(a) True
(b) False
7) The nucleus of an atom is positively charged.
(a) True
(b) False
8) What are the protons and neutrons that are emitted from a helium atom called?
(a) Alpha particles
(b) Beta particles
(c) Gamma rays
9) Which statement is correct?
(a) Mass number is the sum of protons, neutrons and electrons in an atom.
(b) Mass number is the sum of protons and electrons in an atom.
(c) Mass number is the sum of protons and neutrons in an atom.
10) Neutrons have a charge of 1- and a mass of 10 amu.
(a) True
(b) False
11) Polyatomic ions have at least two atoms.
(a) True
(b) False
12) Crystals are neatly arranged and regularly packed atoms.
(a) True
(b) False
13) ... is the density of a substance relative to the density of water.
(a) Specific density
(b) Specific gravity
(c) Relative density
14) An ion is a charged electron.
(a) right
(b) wrong
15) Galvanization coats iron with zinc.
(a) True
(b) False
16) The transuranium elements are all lanthanides.
(a) True
(b) False
17) Amorphous means without shape or form.
(a) True
(b) False
18) ... describes the sequence wherein orbitals are filled.
(a) Avogadro's sequence
(b) Aufbau principle
(c) Hund's rule
19) Monatomic ions have ...
(a) one atom
(b) two atoms
(c) many atoms
20) amu is the abbreviation for atomic mass unit.
(a) True
(b) False
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