An element is

a. the smallest particle of matter

b. a substance with only one type of atom

c. a solid form of a substance

d. the smallest particle of an atom

What happens to the rate of reaction when you decrease the temperature of a chemical reaction?

Would you vote to change the coin content or to keep them the same? Explain.

How many millimeters are in 251 cm?

Ionic Equations. Na2CO3+AgNO3 - - > NaNO3 + Ag2Co3 B: Separate Aqueous solutions, remove spectator ions. C: Net Ionic Equation.

A beta particle may be spontaneously emitted from (1) a ground-state electron (2) a stable nucleus (3) an excited electron (4) an unstable nucleus

where do most earthquakes occur? A. within volcanoes where plates interact B. whar plates interact C. whar plates diverge D. at hot spots

Which question cannot be explained by chemistry? A. How does yeast make bread dough rise? B. Why does sugar dissolve faster in hot water? C. How does a convection oven cook food? D. Why do peeled apples turn brown in air?

If it requires 18.2 mL of 0.45 molar barium hydroxide to neutralize 38.5 mL of nitric acid, solve for the molarity of the nitric acid solution. Show all the work used to solve this problem

The balanced equation for the generation of sugar from sunlight water and co2 is

Isotopes of the same element have different ... A. Positions on the periodic table b. atomic numbers C. Mass number