Less dense then gas

Which of the following elements is a metal? a. Boron c. Magnesium b. Nitrogen d. Carbon

This is the process where fossil fuels, forests, or other carbon-containing substances are burned, adding more carbon dioxide to the air.

What is the charge of the nucleus of every atom?

Which level of organization is best represented by the corn plant? tissue, the highest level of organization organ, the lowest level of organization organism, the level of organization directly above organ system organ system, the level of

If an increase in temperature accompanies a reaction what occurred A. energy was absorbed b. energy was released c. energy was destroyed d. energy was created

What is one element in the same family as oxygen?

Why does a ball rolling along a level sidewalk slow down and then stop

Common properties of sodium, calcium, iron, and gold

The closeness of a measurement to its actual value is a measure of its A. usefulness. B. reproducibility. C. precision. D. accuracy.

At 300 k the pressure inside a gas filled container is 500 kPa if the pressure inside decreses to 100kpa but the volume remains the same what is the final temperature of the gas