4. which one of the following groups of chemical compounds is composed entirely of organic compounds? a. ch3och3, ca3(po4)2, co2, h2co3 b. c2h2, ch4, cacl2, cacn2 c. c2h4o, ch2o, caso4, c3h5(oh)3 d. c6h6, c2h5oh, c6h5ch3, c3h5(no3)3

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Which of the following is not true about the atomic model of substances?