Chemistry, 31.12.2020 01:00 andeaGonzllezz
In a molecule of calcium sulfide, calcium has two valence electron bonds, and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium sulfide?
A. one
B. two
C. three
D. four
E. none
Also, state why.
Answers: 3
Chemistry, 22.06.2019 03:00, HHHHHHHHHMMMMMMMMM
About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question
Answers: 1
Chemistry, 22.06.2019 03:10, emilyplays474
The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?
Answers: 2
In a molecule of calcium sulfide, calcium has two valence electron bonds, and a sulfur atom has six...
Biology, 17.11.2020 07:20
Physics, 17.11.2020 07:20
Mathematics, 17.11.2020 07:20
Spanish, 17.11.2020 07:20