Re-Take Copy of Honor's Separation of Mixtures & Early Ideas About Matter (10/14/2024)
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Last updated 6 months ago
10 questions
Required
2
What process might you use to separate salt from water in a saltwater solution?
What process might you use to separate salt from water in a saltwater solution?
Required
2
Which technique is best suited for separating pigments in a plant extract?
Which technique is best suited for separating pigments in a plant extract?
Required
2
Which method is appropriate for separating a mixture of alcohol and water?
Which method is appropriate for separating a mixture of alcohol and water?
Required
2
Categorize the following separations techniques most suited for these mixtures: Salt water, Alcohol and water, Inks, Coffee grounds and water.
Categorize the following separations techniques most suited for these mixtures: Salt water, Alcohol and water, Inks, Coffee grounds and water.
- Coffee grounds and water
- Inks
- Salt water
- Alcohol and water
- Filtration
- Chromatography
- Evaporation
- Distillation
Required
4
Pair the atomic structure with the appropriate description
Pair the atomic structure with the appropriate description
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Neutrons | arrow_right_alt | The dense center of the atom |
Electrons | arrow_right_alt | Negatively charged particles around the nucleus |
Nucleus | arrow_right_alt | Positively charged particles in the nucleus |
Protons | arrow_right_alt | Neutral particles in the nucleus |
Required
2
Match the scientist to the correct idea or experiment about atomic structure they contributed
Match the scientist to the correct idea or experiment about atomic structure they contributed
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Ernest Rutherford | arrow_right_alt | Discovered the nucleus using his gold-foil experiment |
Niels Bohr | arrow_right_alt | Proposed that electrons orbit the nucleus in specific layers |
J.J. Thomson | arrow_right_alt | Identified the electron, leading to the 'plum pudding' model |
Required
2
John Dalton, in his atomic theory, proposed that atoms can be destroyed in chemical reactions.
John Dalton, in his atomic theory, proposed that atoms can be destroyed in chemical reactions.
Required
2
Ernest Rutherford's gold foil experiment proved that an atom is mostly empty space with a dense center, now known as the nucleus.
Ernest Rutherford's gold foil experiment proved that an atom is mostly empty space with a dense center, now known as the nucleus.
Required
2
J.J. Thomson is credited for the discovery of the electron through his cathode ray experiments.
J.J. Thomson is credited for the discovery of the electron through his cathode ray experiments.
Required
5
Compare and contrast Thomson's "Plum Pudding" atomic model with Rutherford's "nuclear" atomic model.
Compare and contrast Thomson's "Plum Pudding" atomic model with Rutherford's "nuclear" atomic model.