Chemistry, 15.12.2021 04:20 conyabrew82
Members in the same family have similar chemical properties because they all
2 points
Have the same atomic radius
Have the same # of protons
Have the same # of valence electrons
Have the same # of core electrons
Answers: 1
Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
Answers: 1
Chemistry, 22.06.2019 12:30
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
Chemistry, 22.06.2019 13:00
6. using 3 – 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 – 4 sentences in your explanation.
Answers: 1
Members in the same family have similar chemical properties because they all
2 points
Have t...
Have t...
Engineering, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10
English, 08.12.2020 04:10
Social Studies, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10
Mathematics, 08.12.2020 04:10