Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
3 Cards in this Set
- Front
- Back
|
A positive charge and a negative charge are a meter apart. The force between them is
A. attractive. B. zero. C. repulsive. D. changing. |
A. attractive.
|
|
|
Which has more neutrons?
A. A hydrogen atom B. None of these C. A hydrogen nucleus D. A hydrogen ion |
B. None of these
|
|
|
Which has more electrons?
A. A helium atom B. An alpha particle C. A helium ion D. A helium nucleus |
A. A helium atom
|
