click below
click below
Normal Size Small Size show me how
Chapter 2
Anatomy and physiology
| Question | Answer |
|---|---|
| What is matter | anything that has mass and takes up space |
| What is energy | capacity to do work or put matter into motion |
| 3 states of matter | solid liquid gas |
| What form of energy is stored in bonds of chemical substances | Chemical energy |
| What form of energy is a result from movement of charged particles | Electrical energy |
| This form of energy is moving matter | Mechanical energy |
| What form of energy travels in waves | radiant or electromagnetic energy |
| Energy is lost as what? This result is unusable | heat |
| What are the 4 major elements of the Human Body | Oxygen, Carbon, Hydrogen, Nitrogen |
| The atomic number is the amount of what in the nucleus | protons |
| Total number of neutrons and protons | mass number |
| What is a molecule | two or more atoms bonded together |
| What is a compound | two or more different atoms bonded together |
| 3 types of mixtures | solutions colloids suspensions |
| An atoms nucleus contains | protons and neutrons |
| which mixture is homogeneous | solutions |
| When atoms of 2 or more different elements bind together, they form what | compound |
| why do atoms bond together | they want to have their outer electron shell filled |