When NF3 reacts with BF3 to form F3NBF3, a. the bond is formed by sharing an electron from NF3 and an electron from BF3. b. an ionic bond is formed. c. BF3 donates an electron pair to NF3. d. a coordinate covalent bond is formed. e. a complex ion is formed.

Which are causes of mechanical weathering? check all that apply.oacid raino plant growtho animal actionso carbon dioxideo pressure release

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)