Chemistry, 17.10.2020 22:01, ellamai10123
An atom of a certain element has 54 protons, and 54 electrons, and a mass number of 131. At room temperature this element is a very stable gas. How many neutrons are in this atom?
Answers: 2
Chemistry, 22.06.2019 21:30, imalexiscv
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
An atom of a certain element has 54 protons, and 54 electrons, and a mass number of 131. At room tem...
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