When an alkali metal is involved in a chemical reaction with a nonmetal, what charge will its atoms most likely form? 1- 2+ 1+ 2-

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse