Card Set Information
Objectives 14 15
When an atome has more protons than electrons
ions result when an atom gains or loses electrons.
when ions are dissolved in the tissues and fluids of the body.
what are the four electrolytes that are usually measured in the clinic
define transitional metals
elements in the center of the periodic tabel, are not governed by simply filling shells.
When an atom has more protons than electrons it is called
When an atom has more electrons than protons, it is called
When atoms combine we always put the ________ first.
cation and the anion second.
how do you measure a wave
crest to crest; trough to trough
gamma radiation are both
waves and particles. These waves have both electrical and magnetic properties, so they are called electromagnetic waves.
The ________ of the wave is the intensity of the signal.
Are part of what scale? What is the shortest waves to the longest?
Electromagnetic spectrum; shortest gamma rays (stronger), radio waves (least intense)
What are free radicals
free radicals have an unpaired electron.
These are extremely damaging to biological systems and are likely part of the cause of diseases such as cancer.
What are the most extensively studied free radicals
what are considered free radical scavengers
vitamins C, E
what is a free radical scavenger
helps reduce the amount of free radicals in cells and helps from preventing disease