Anatomy Quiz 2 Flashcards
where are the protons located
in the nucleus
where are the neutrons located
in the nucleus
where are the electrons located
in the outer shells
what are the most common elements
O, C, H, N,
O
oxygen
C
carbon
H
hydrogen
N
nitrogen
why is oxygen the most common
because of cellular respiration and because it is found in the blood
what purpose do the valence electrons have
bonding
what is ionic bonding
a bond that forms when an electron is transferred from one atom to another
EX: NaCl
covalent bond
bond that forms when an atom shares an electron
EX: hydrogen atoms
pH scale
- 1-14
- 1=H-
- 14=H+
- scale is by 10
characteristics of water
high heat capacity, polarity/solvent properties, chemical reactivity and cushioning
radioactivity
-process of spontaneous decay
~bad: harmful, alpha and beta particles and gamma rays
~good: used for medicine for cancer and scanning
both good and bad
