PLEASE HELP! DUE IN 5 MINUTES! ( 10 points ) An atom of gold with 79 protons, 79 Electrons and 118 neutrons would have a mass number of
A) 39
B) 158
C) 197
D) 276

Stage in which a star’s outer layers have started to cool and grow outward?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?