Chemistry, 25.10.2019 17:43 brooke0713
An atom has a charge of +1 in its nucleus. which statement must be true in order for this atom to have no net charge? a. the one positive proton has no influence on the overall charge of the atom. b. there is one negatively charged electron outside the nucleus. c. there is one neutral neutron in the nucleus as well. d. there is one negatively charged electron in the nucleus.
Answers: 3
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(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.
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The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
An atom has a charge of +1 in its nucleus. which statement must be true in order for this atom to ha...
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