Select the correct electron configuration for Boron. (Atomic Number 5) 1s 22s 12p 2 1s 22s 3 1s 32s 12p 1 1s 22s 22p 1

List the specific sources of non renewable energy used in 2006

how would the kinetic energy of the ball in questions 4 charge if its mass were doubled if its speed were doubled

7. Why does a higher temperature cause a reaction to go faster? Either there are more collisions per second or the collisions are of greater energy. There are more collisions per second and the collisions are of greater energy.

When communicating with Apollo astronauts, scientists on Earth use radio waves and the "over to you" method of communication. This method must be used because of the delay in communication.

If it requires 37.5 mL of a 0.245 M HBr solution to neutralize 18.0 mL Mg (OH) 2, what is the concentration of the Mg (OH) 2 solution? 2 HBr + Mg (OH) 2 yields Mg (Br) 2 + 2 H2O

Facts about heat absorption and simple questions about heat absorption with answer

You measure a piece of wood with a meter stick and is it exactly one meter long. How many centimeters long is it?

When salt dissolved in water, what type of change occurs? A) physical only B) chemical only C) physical and chemical

Select all of the characteristics that define matter. A.) Matter has mass. B.) Matter has volume (takes up space). C.) Atoms and compounds are made out of matter. D.) All matter has the same density.

The science of observing and forecasting weather conditions is called