Part 1 Flashcards
What are the two types of energy?
Define…
- ) Kinetic - energy in action
- ) Potential - energy of position; stored (inactive) energy
What are the forms of energy?
- ) Mechanical
- ) Electrical
- ) Radiant or electromagnetic
- ) Chemical
What form of energy is stored in the bonds of chemical substances?
chemical energy is stored in the bonds of chemical substances
What form of energy results from the movement of charged particles?
Electrical energy results from the movement of charged particles
What form of energy is directly involved in moving matter?
Mechanical energy is directly involved in moving matter.
What form of energy travels in waves?
Radiant or electromagnetic energy travels in waves.
What are the six primary elements of the human body?
CHNOPS
- ) carbon
- ) hydrogen
- ) nitrogen
- ) oxygen
- ) phosphorus
- ) sulfur
_______ is equal to the number of protons.
atomic number is equal to the number of protons.
______ equal to the mass of the protons and neutrons.
Mass number is equal to the mass of the protons and neutrons.
_______ is the average of the mass numbers (relative weight) of all isotopes.
Atomic weight is the average of the mass numbers (relative weight) of all isotopes.
What are atoms with the same number of protons but a different number of neutrons called?
Isotopes are atoms with the same number of protons but a different number of neutrons.
What are atoms that undergo spontaneous decay called radioactivity?
Radioisotpes are atoms that undergo spontaneous decay called radioactivity.
What is the atomic number equal to?
The atomic number is equal to the number of protons.
What is the mass number equal to?
The mass number is equal to the mass of the protons and neutrons.
What is the atomic weight?
Atomic weight is the average of the mass numbers (relative weights) of all isotopes.
