CP Separation of Mixtures & Early Ideas About Matter (10/9/2024)
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Last updated 6 months ago
11 questions
Required
2
Which method of separation would be ideal for a mixture of water and sand?
Which method of separation would be ideal for a mixture of water and sand?
Required
2
Which method is used to separate dyes in ink?
Which method is used to separate dyes in ink?
Required
2
What separation method would be most effective in separating ethanol from a solution of ethanol and water?
What separation method would be most effective in separating ethanol from a solution of ethanol and water?
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 |
|---|---|---|
Protons | arrow_right_alt | The dense center of the atom |
Electrons | arrow_right_alt | Negatively charged particles around the nucleus |
Neutrons | arrow_right_alt | Positively charged particles in the nucleus |
Nucleus | 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
2
The space occupied by electrons is much greater than the space occupied by the atomic nucleus
The space occupied by electrons is much greater than the space occupied by the atomic nucleus
Required
2
The atomic nucleus holds nearly all the mass of the atom but only occupies a fraction of the space
The atomic nucleus holds nearly all the mass of the atom but only occupies a fraction of the space
Required
2
Electrons are located inside the atomic nucleus
Electrons are located inside the atomic nucleus