Which is an example of a covalent bond? chlorine accepts an electron from calcium to form a stable bond. ions in a bar of pure iron are surrounded by a large number of valence electrons. there are less than 16 valence electrons in 2 chlorine atoms, but they form a stable bond.

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Which element is least likely to undergo a chemical reaction

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons