How many dots are shown in the electron dot diagram for calcium, element number 20?

Malia was able to make a paper lip float on the surface of water. What will most likely happen to the paperclip if a drop of dishwashing detergent is added near it?

What effect does the buoyant force have on a submerged object? It causes a net force acting upward on the object. It causes the object to sink in a fluid. It causes the object to float in a fluid. It causes a net force acting downward on the object.

How many vibrational modes does ethanol have? Explain why.

3. A lot of people are trying to protect biodiversity. why might it be important to save and protect biodiversity

If the moles and volume of a gas are held constant, dropping the temperature from 40 degrees Celsius to 20 degrees Celsius causes would cause an initial pressure of 3 atmospheres to drop to 1.5 atmospheres. T/F

Suppose a 10.0 L reaction vessel is filled with 0.86 mol of BrOCl and 0.86 mol of BrCl. What can you say about the composition of the mixture in the vessel at equilibrium?

Formula for zinc nitrate

Definition: One of a class of elements having properties intermediate to metals and nonmetals.

The term southern oscillation most nearly refers to

There is more than one kind of balance used in the laboratory. true or false