This is how fluorine appears in the periodic table.

A green box has F at the center and 9 above. Below it says fluorine and below that 19.00. A blue arrow points to 9.

What information does "9” give about an atom of fluorine? Select three options.

the atomic number
the atomic mass
the number of protons
the number of electrons
the number of neutrons

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution