Read the list of elements given below. Be, Mg, Ca, Sr Which of the following about the elements is true? (5 points) All of them are unreactive metalloids.
All of them are hard and dense metals
. Be and Mg are hard and dense metals and Ca and Sr are unreactive metalloids.
Be and Mg are unreactive metalloids and Ca and Sr are hard and dense metals.

Polygon is ur

It could possibly be beneficial if the experiment is successful.

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.