Approximately how long has the Moon been geologically inactive?

A. 1 billion years

B. 3 billion years

C. 4 billion years

D. 4.5 billion years

Which process occurs when uranium-235 is bombarded with neutrons to produce smaller nuclei? A. acceleration B. fission C. decay D. fusion

Why can xenon expand its octet to form compounds but neon can't

Consider the reaction BF3 + NH3 → F3B-NH3 What changes in hybridization (if any) of the B atom are a result of this reaction? A. Before the reaction boron is sp2 hybridized, and after the reaction it is sp3d hybridized. B.

What is chromatography? Where is this method used in our lives.

Which element is malleable and a good conductor of electricity at STP?

Where are two places that scientists obtain scientific knowledge

Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in order to fill their octets. B) two atoms give up their electrons in order to form a bond.

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?