Chemistry, 30.10.2019 21:31 jasmine2919

Really need fast

john dalton's atomic theory contains 4 postulates. which postulate(s) still hold(s) true today. mark all that apply. *

atoms of different elements can combine physically and chemically.

atoms are indivisible.

chemical reactions occur when atoms are joined or separated.

atoms of the same element are identical.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 01:30, giraffegurl

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Answers: 3

continue

Chemistry, 22.06.2019 03:50, sgslayerkingminecraf

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

Answers: 1

continue

Chemistry, 22.06.2019 08:30, kernlife

What is the independent variable in this investigation? mass volume sample number substance density

Answers: 3

continue

Chemistry, 22.06.2019 13:00, windmadness5331

What must occur for air masses to form fronts

Answers: 3

continue

You know the right answer?

Really need fast

john dalton's atomic theory contains 4 postulates. which postulate(s)...