Chemistry, 06.05.2020 07:35 kriderdavid
Which of the following statements is/are TRUE concerning the "mole"?
(a) One mole of a substance contains as many particles as exactly 12 amu of
carbon-12.
(b) One mole of a substance contains 6.022 x 1023 particles of that substance.
(c) There are 6.022 x 1023 carbon atoms in 12.00 g of carbon-12.
(d) Because it is heavier, a mole of iodine atoms contains more atoms than a
mole of bromine atoms.
Answers: 1
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As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
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Which of the following statements is/are TRUE concerning the "mole"?
(a) One mole of a s...
(a) One mole of a s...
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