The transition metals are all group together on the periodic table all the following explains this grouping except? A) They all have good conductivity
B) they are not found in nature as pure elements
C)they are used in construction and electrical applications
D) they are less reactive than elements in groups 1 and 2

May someone me with these science questions

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.

All motion is caused by force? true or false