What is the mass, in grams, of a sample of 6.12 × 10^24 atoms of manganese (mn)? show your work or explain the steps that you used to determine your answer.

Sorry i think the answer is b

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.