Which ion at ground state has the same electron configuration as an atom of neon at ground state? 1. Ca^2+
2. CI^-
3. Li^+
4. O^2-

The minerals found in bones are deposited by living cells called

Which of the following electromagnetic waves can create ions?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone, due to its high light availability and warm water temperature