Which statement is true?

a

Atoms can be changed

b

All atom are not stable

c

Atoms can never be changed

d

Both A and B

In terms of shape and volume, how can a gas be defined?

I dont get dependent and independent variables if someone can explain it and give an example that wpould be great!

A colloidal liquid suspended in a gas is called an aerosol. true or false

Which of the following is NOT a characteristic of insects? a. one pair of antennae b. five legs c. one or two pairs of wings d. none of the above

Is carbon dioxide a good absorber of infrared radiation

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?

Do pure substances have the same chemical and physical properties

How is matter conserved in a chemical reaction