Atom a has an atomic number of 19 and mass number of 40. atom b has an atomic number of 20 and a mass number of 40. which of these is an accurate statement? a) atom a has more protons than atom b. b) atom a has one less proton and one more neutron than atom b. c) atom a has an extra nucleon compared to atom b. d) atom a has one more proton and one more electron than atom b.
Answers: 1
Biology, 21.06.2019 19:30, 21ghostrider21
Would really appreciate it, i have an idea but not completely sure
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Biology, 22.06.2019 11:00, Loliii
Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
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Biology, 22.06.2019 14:00, briannamaee13
Which material is commonly used as a culture medium for living cells
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Atom a has an atomic number of 19 and mass number of 40. atom b has an atomic number of 20 and a mas...
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