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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 |