What new information can you add to your definition of chemical change?

The difference between a molecule and a compound is that a compound is made up of atoms from

What should be done with the last bit of liquid remaining in the pipet after delivery?

Name as many properties shared by elements of the same group in the periodic table as possible.

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. Which postulate of kinetic molecular theory best explains how this is possible? A.

A sample of a pure copper has a volume of 3.75cm calculate its mass

Why decomposition of ammonium nitrate is a redox reaction?

Two formulas for compounds containing hydrogen and oxygen are H2O and H2O2. Do these formulas represent the same compound? Explain.

My dog made become frightened and cover when he hears loud thunder this is an example of a reaction to What kind of stimuli A. chemicals B. light C. touch D. sound

Some elements are solids at room temperature true or false

What is the most expensive element?