Which of the following elements is an alkali metal? a. potassium (k) b. calcium (ca) c. chromium (cr) d. germanium (ge)

the answers going to be A potassium

question answered by

(jacemorris04)

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

pla·gia·rism

/ˈplājəˌrizəm/

learn to pronounce

noun

the practice of taking someone else's work or ideas and passing them off as one's own.

explanation: