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This is a model of the an atom of Helium. Which particles are represented by the yellow circles on the outer ring?
This is a model of the an atom of Helium. Which particles are represented by the yellow circles on the outer ring?
What will happen if two oppositely charged particles are brought near each other?
Match each subatomic particle to its charge
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
electron | arrow_right_alt | positive charge |
proton | arrow_right_alt | zero charge |
neutron | arrow_right_alt | negative charge |
Which of the following are true about atoms? Select all correct answers.
If an atom gains an electron what will be its charge?
If an atom loses an electron what will be its charge?
When a balloon is rubbed on your hair, electrons move from the hair to the balloon. Which of the following are true? Select all correct answers.
When a balloon is rubbed on your hair, electrons move from the hair to the balloon. You notice your hair stands straight up. Which of the following best explains this phenomenon?
Match the following terms with their definitions
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
neutral | arrow_right_alt | Electrical charge that is not moving |
static electricity | arrow_right_alt | Electrical charge that is moving |
atom | arrow_right_alt | no charge |
repel | arrow_right_alt | smallest piece of a chemical element |
electric current | arrow_right_alt | bring together |
attract | arrow_right_alt | push away |
What are the units used to measure electric current?
This is a model of the an atom of Helium. Which particles are represented by the yellow circles on the outer ring?