The Groups 1 and 2 on the periodic table contain what atom type?

A) metals

B) metalloids

C) non-metals

D) noble gases

Which of the following is a characteristic of a good index fossil? A. The fossil closely resembles many other types of fossils. B. The organism was restricted to only one location on Earth. C.

Reaction 1: c3h8 ( g. 5o2 ( g.→3co2 ( g. 4h2o ( g., δh1=-2043 kj reaction 2: 4c3h8 ( g. 20o2 ( g.→12co2 ( g. 16h2o ( g., δh2=?

Which scientist observation eventually led to the theory of continental drift

The fully hydrated form of sodium sulfate is the decahydrate, Na2SO4 • 10H2O. When heated the hydrated salt loses water.

Would sound travel fastest through Answers: Milk Metal or air.

How many bromine atoms are present in 39.9 g of CH2Br2

Chemists use activity series to determine whether which type of reaction will occur?

1. Does the temperature rise or drop when you mix vinegar and baking soda. 2. Does the temperature rise or fall when you mix baking soda and water.

Use the balanced equation from number four above to determine the limiting reactant if we had a mixture of 5.0 moles of Fe and 4.0 moles of O2.

Using the kinetic theory what happens to oxygen particles as they are cooled