What are two characteristics for bases.

How many atoms of oxygen are contained in 160 grams of n2o3

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.