What is the best definition

of the atomic number?

A. The number of protons found in the

nucleus.

B. The number of protons found

outside the nucleus.

C. The number of neutrons found in

the nucleus.

Balance the equation: ___HgO → ___O2 + ___Hg

Express 750 dg in g.

The compound LiBr is an example of an

What factors of nuclear reactors cause it to be so complex? Select all that apply. A) the chain reaction must be controlled at all times B) without proper cooling the reactor will overheat C) requires multiple different types of materials for the

100 mL of a strong acid is completely neutralized by 100 mL of a strong base. The observed products are salt and water. Upon further investigation, the solution has a pH > 7. How is this possible?

What does a substance in solid fase has

What are the three requirements for an effective collision

What is the force applied when using a simple machine.

Select all that apply. when the products of a reaction have more energy than the reactants: the reaction is exothermic. the reaction is endothermic. the reactants gave up energy. the δh is positive.

How can you determine the number of valence electrons in an atom of a representative element?