What is the primary difference between a hypothesis and a theory? a)a theory is supported by more data and observations than a hypothesis is. b)a hypothesis is falsifiable, but a theory has been proven to be correct. c)a theory is a prediction, but a hypothesis is an explanation. d)a hypothesis is more reliable than a theory.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

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.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.