Chemistry, 12.12.2020 17:00 GodlyGamer8239
Question 1: What are valence electrons, and how are they related to the way atoms react? Question 2: Explain the "magic number" of helium and the other elements on the periodic table in terms of their valence electrons. What happens when an element reaches this "magic number?"
Answers: 2
Chemistry, 21.06.2019 17:00
Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.
Answers: 1
Chemistry, 23.06.2019 02:00
Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
Answers: 1
Chemistry, 23.06.2019 04:31
One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus
Answers: 1
Chemistry, 23.06.2019 19:10
Which expression can be used to calculate the density of an ideal gas? pm + rt mrt + pv mrt ÷ pv pm ÷ rt
Answers: 3
Question 1: What are valence electrons, and how are they related to the way atoms react?
Question 2...
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