True or false? For a collection of many atoms, some are in an excited stated and others are in the ground state. At any point in time most of the atoms have electrons in the ground state

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.

What is the name of the molecular compound s3i9?