keria

a mr wikinson backpack weighs 45 pounds if there are 453.7grams in one pound what is the mass of his backpack?

What is the concentration (in g/100ml ) of a solution which has 2,8g of NaCI dissolved into 88.0ml of water?

What is a mixture? describe the difference between a homogeneous and heterogeneous mixture

What is a solution? What are the 2 parts of a solution

What is an isotope?

An isotope of iodine is I-126.how many protons, neutrons &electrons does it have

What is a covalent bond?what type of substance form covalent bonds?

What is anionic bond?what type of substance.form ionic bond?

What are the 3 primary subatomic particular? What is the charge on each? where in the atom is each particle located?

What is the difference between a molecule & a compound

How do you measure the volume of? A) A liquid? B) A regular shaped Solid ? C) An irregular shaped solid? State where each of the following is a chemical or physical change. A) A match burned. B) Ice cream melts. C) Acid dissolves metal producing H2. D) Sa...

The classify the as synthesis, decomposition, Single replacement. Double replacement. 2 Al +3NiBr2. 2AlBr3+3Ni

How much work is done when a 1 kilogram mass is raised a vertical distance of 1 meter?

in that order is correct,thanks ;D

I MADE 100% THEY WHERE ALL RIGHT THANKS!!