How many normal elements 7th period contain?

Does a roaring flame heats water faster than two quiet flames? Why did Ares back off from the fight with Percy? Why do they call a snow storm a blizzard? Why is the bloodhound SSC called the bloodhound SSC? When we breathe in we inhale many gases present in the air including oxygen. what do you think happens to the gases that are not needed by the body? If you have 6.50 molar of chromium which is a molar mass of 52 grams what is the amount in grams of this amount of chromium? What is the adjective for experience? How does coastal erosion affect the coast? How many ounces is 1 14 cup? What happens when you change the inside color of a graphic? What has a greater mass 2 atoms of lead or 5.1 X 10-23 mole of helium? Why do ribosomes create polypeptides? How much heat is lost when 2012 grams of stream at 400 K is changed into ice at 263 K? Is a lime the same as a citron? A picture of a meter stick? Why does the dark matter theory explain the decrease in brightness of spiral galaxies? How many years do the rings inside a tree stand for? What is phenol in besides cigarettes? What is 4.08 red blood cell count? How many main types chemical bonds?