One of the most important aspects of a periodic table is that it select one: a. makes use of all of the letters of the alphabet. b. brings order to the elements. c. predicts all of the future elements that have not been discovered. d. separates matter from anti-matter.

What is the molar mass of a gas that has density of 2.054 g/l

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.