Chemistry, 15.12.2020 01:00 smartperraorwhateva
Which idea no longer works in the quantum mechanical model of the atom?
- Most of the atom is empty space
- Electrons orbit the nucleus like planets orbit the sun.
- Electrons can jump up and down energy levels.
- Atoms have a central nucleus with a positive charge.
Answers: 2
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According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
Answers: 2
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Stage in which a typical star has completely stopped fusion
Answers: 1
Chemistry, 22.06.2019 11:00, coco8560
Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Which idea no longer works in the quantum mechanical model of the atom?
- Most of the atom is empty...
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