James decides to walk home from school today. He lives 3 miles from school and can walk home in 45 minutes. At what rate is James traveling?

The mass ratio of F to Cr in CrF3 is 1.096 : 1. In a 36.63 g of CrF3, how many grams are Cr?

What atom has a mass number of 35 and an atomic number of 17?

What does the number represent in the isotope platinum-194?

In a motion diagram the size of the object must be less than the distance moved t or f

A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/K. The observed increase in temperature is 21.

How many neutrons does xenon have?

Warm air pushes cool air downward Rising air cools and becomes more dense than the air around it. True/false

How does a nuclear reactor work

Why is a very small amount of cerium oxide nanoparticles need: A) the nanoparticles are elements B) the nanoparticles are very reactive C) the nanoparticles have a high surface area of volume ratio

How do electrons move between atoms to create electricity?