Chemistry, 30.11.2020 08:30, shartiarahoward
Express in scientific notation. Choose the answer with the proper number of significant figures.
9x109
4.5 x 10
Answers: 1
Chemistry, 22.06.2019 00:20, paulawells11
What are the spectator ions in 2h+ + so42- + ca2+ + 2r โ caso4 + 2h+ + 21?
Answers: 1
Chemistry, 22.06.2019 13:00, jaylanmahone223
6. using 3 โ 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 โ 4 sentences in your explanation.
Answers: 1
Chemistry, 22.06.2019 18:50, emily9656
Which of the following is a conclusion that resulted from ernest rutherfordโs scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
Answers: 3
Express in scientific notation. Choose the answer with the proper number of significant figures.
9x...
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