How is the number of neutrons in the nucleus of an atom calculated?
a. add the number of ele...
How is the number of neutrons in the nucleus of an atom calculated?
a. add the number of electrons and protons together.
b. subtract the number of electrons from the number of protons.
c. subtract the number of protons from the mass number.
d. add the mass number to the number of electrons.
Answers: 3
Chemistry, 21.06.2019 23:50
How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
Answers: 1
Chemistry, 22.06.2019 06:30
Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
Answers: 2
Chemistry, 22.06.2019 21:30
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
History, 16.07.2019 12:10
History, 16.07.2019 12:10
History, 16.07.2019 12:10
Chemistry, 16.07.2019 12:10
Physics, 16.07.2019 12:10
Mathematics, 16.07.2019 12:10
Spanish, 16.07.2019 12:10
Biology, 16.07.2019 12:10
Biology, 16.07.2019 12:10
History, 16.07.2019 12:10
Mathematics, 16.07.2019 12:10