If the half-life of uranium-235 is 704,000,000 years and 12.5 g of uranium-235 remains after 4,560,000,000 years, how much of the radioactive isotope was in the original sample?

Nonmetals usually react by gaining electrons

Answer) by studying proton collisions hope this : )

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.

Ireally don’t know bruh