Chemistry, 09.12.2019 14:31 mercydiaz84
The three particles that make up atoms are
a. protons, neutrons, and electrons.
b. protons, neutrons, and isotopes.
c. neutrons, isotopes, and electrons.
d. positives, negatives, and neutrals.
Answers: 2
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Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
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Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
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Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays
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The three particles that make up atoms are
a. protons, neutrons, and electrons.
b. proto...
a. protons, neutrons, and electrons.
b. proto...
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