The atom of an element X has 19 electron. if it is combined chemically with another element Y whose atomic number is 17 whaf type of chemical bonding would you expect

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released