Monatomic ions always carry a positive charge

O

A. True

O

B. False

The number of protons in an atom of an element always equals its atomic weight. a. True b. False

A 6.0M solution HCl is diluted to 1.0M How many milliliters of the 6.0M solution would be used to prepare 100. o mL of the diluted 1.0M solution?

Liquid nitrogen trichloride is heated in a 1.25-L closed reaction vessel until it decomposes completely to gaseous elements. The resulting mixture exerts a pressure of 839 mmHg at 104°C. What is the partial pressure of each gas in the container?

A shopping bag for feathers is a much lighter burden then shopping bag of nails?

Briefly explain why an unbalanced chemical equation cannot fully describe a reaction?

What was concluded about the structure of the atom as the result of the gold foil experiment? (1) A positively charged nucleus is surrounded by positively charged particles. (2) A positively charged nucleus is surrounded by mostly empty space.

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

What evidence is there that electrons move around in definite pathways around the nucleus? What evidence is there that electrons m

Are greenhouse gases good for us?

How to convert metric units?