Increasing the concentration of a reactant speeds up a reaction.

True

False

What is the name of the element with a valence electron configuration of 4s24p3?

How does increase temperature change the percentage yield

Which of the following gases are typically used for colorful lighting when an electric current is applied? A) hydrogen and helium B) argon and krypton C) fluorine and chlorine D) oxygen and nitrogen

Which is a compound? Sodium sea water carbon dioxide brass

Explain how understanding of atomic emission spectrum led to development of the atomic theory

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction