Scientists were studying three different embryos to determine their relationship to humans. The notes about each embryo are shown in the chart. Based on the information, what can you determine?

What shape would a molecule with two bound groups and two lone pairs have?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus. b) the number of neutrons it contains in its nucleus. c) the number of protons it has in a cloud around the nucleus. d) the number of neutrons it has in a cloud around the nucleus. e) the number of electrons it exchanges with its neighbors.