Chem Review Flashcards
1
Q
What are the 7 characteristics of living things?
A
- Order
- Grow and develop
- Energy processing
- Regulation
- Respond to stimuli
- Reproduce
- Evolve and adapt to environment
2
Q
Top 5 elements in human body?
A
Hydrogen
Calcium
Carbon
Oxygen
Nitrogen
3
Q
T/F the nucleus of an atom is negative
A
False, positive
4
Q
T/F: The amount of protons cannot change but the amount of neutrons can change which will make an isotope
A
True