Barbara is converting 78 F to degrees Celsius. First, She subtracts 32 from 78. What is the next step?

a. Multiply 46 by 5/9

b. Multiply 46 by 9/5

c. Add 273 to 46

d. Subtract 273 from 46

Solid samples of the element phosphorus can be white, black, or red in color. The variations in color are due to different (1) atomic masses (2) molecular structures (3) ionization energies (4) nuclear charges

What is a decay series? A. A chart that lists isotopes by how likely they are to decay. B. When an unstable isotope begins to decay and emits particles that cause atoms around it to become unstable. C.

12570000000 in scientific notation

Potassium is an exception to the octet rule and can hold up to 12 electrons in its valence electron energy level in a compound. a. True b. False

The density of alcohol is 0.85g/ml. what is the mass of 50ml of alchahol

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?