Convection is when warm air rises and takes heat with it; eventually it cools and sinks. Radiation is when sunlight travels through space without the aid of fluids or solids. A. True. B. False.

Where are the most metals on the Periodic Table?

Atoms sometimes form bonds to A. Lose energy B. Become more stable C. Give away neutrons D. Give away protons

What are 3 or 4 liquids that dont mix

You are a scientist exploring the surface of a new planet. You find a new substance that you do not recognize. As you attempt to identify this substance you notice that it is very spreads out to form the shape of the container you keep it in.

Write the scientific notation in numerals. 1.2 x 104

How many moles of lithium are in 83 grams of lithium?

Ocean constitutes most of ___ of water a) Evaporation b) Precipitation c) Condensation d) Transpiration e) Sublimation Don't choose a random letter.

In the reaction, Zn + HCl-> ZnCl2 + H2, 25 grams Zn are reacted with 17.5 grams HCl. How many grams of H2 will be produced? A. 0.382 g of H2 B. 0.479 g of H2 C. 0.7865 g of H2 D. 0.484 g of H2

Is nail varnish soluble?

What is the periodic trend for atomic size from top and bottom in a group? From left to right in a period?