Which of these could be separated by distillation or filtration

A) an atom

B) a mixture

C) an element

D) a compound

Which of the following best describes the relationship between cells in living things in general? A. The larger the living thing, the larger Are its cells B. All living things are made up of one or more cells C.

What type of chemist would study the energies and heats involved in chemical reactions?

The temperature of the carbon dioxide atmosphere near the surface of venus is 475°c. calculate the average kinetic energy per mole of carbon dioxide molecules on venus. 2520 j/mol 5920 j/mol 4150 j/mol 5920 kj/mol 9330 j/mol

More than half of the elements on the periodic table are

How is boiling water different from burning gasoline

A group of things or part that form a whole

Salinity is a measure of which of the following in water? a. carbon dioxide b. oxygen c. dissolved salts d. sand

Why is neon in the same group of the periodic table as helium?

Which of the following presidential candidates was nominated by self-announcement? a. Al Gore b. Woodrow Wilson c. Gerald Ford d. Ross Perot

Particles inside an atom they have a positive charge