Which of these formulas represents 1 atom of sodium (Na) chemically combined with another element?

A. PbS

B. NaCl

C. 2NaOH

D. Na2H3IO6

Which of the following places would u expect to have the coldest climate? a. a place that is very close to the poles b. a place that is very close to the equator c. a place that is near the equator d. a place between the poles and equator

How would Earth's water cycle be affected if a significant percentage of the sun's rays were blocked by dust or other contaminants in the atmosphere?

How far does light year travel in one year

Does the microphone pick up sound or not?

If the force of gravity changes, what happens to the weight of an object?

What is root-mean-square current?

Which of these is an element? O carbon O air O carbon dioxide water

What could result if the liver was not working properly?

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance between the flying bullets?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner