Given the reaction: M+ 2 H2O → M(OH)2 + H2
The metal represented by M is most likely a
metal from Group
a.1
b. 2
C. 11
d. 13

13) a 14) a15) b16) i don't know sorry17) a (maybe)

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.

In any atom of any element, you will find protons and neutrons in the nucleus of any atom