14. Write a statement that makes a claim about arrangements of electrons and properties within a family of elements.

Why are people not able to scuba dive in the deep part of the ocean

Which statement best describes the function of enzymes?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ