You and everything around you are made up of matter. What is matter made up of?

a. Atoms and molecules

b. Atoms and helium

c. Gold and iron

d. Copper and potassium

Studystack if a substance can be physically separated into its components, is it a pure substance or a mixture?

How many moles are in 2.0 grams of FeO

Which three properties differentiate solids, liquids, gases, and plasmas?

Atoms of what two types of elements would form an ionic bond? a. two metals b. two nonmetals c. a metal and a nonmetal d. two metals and two nonmetals

What happens to the pressure of a constant mass of a gas at constant temperature when the volume is doubled?

A scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result support the theory of plate tectonics? Why or why not?

Why is it incorrect to balance a chemical equation by changing the subscripts?

A solution of CuSO4 is labelled 0.01 M. How much CuSO4 in grams, must be used to make 1 liter of solution? A) 1.120 g B) 1.595 g C) 1.6 g D) 15.0 g

Rank the following elements according to their ionization energy: tin krypton antimony arsenic

Water (3030 g) is heated until it just begins to boil. If the water absorbs 5.49*105 J of heat in the process, what was the initial temperature of the water?