How many electrons are being shared between the two carbon atoms in the compound ethyne? ethyne has the lewis structure: h−c≡c−h

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Two things that biomedical has invented or innvated

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li