Examine the molecules. H2O HCl HF What do all three molecules have in common? All of the molecules are nonpolar compounds.
All of the molecules contain an alkaline earth metal.
All of the molecules are polar covalent compounds.
All of the molecules are diatomic.

State the formula for density in words and mathematical symbols

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

How are the terms group and period used on the periodic table