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Chemistry Info
definitions
Question | Answer |
---|---|
D=m/v | finding density |
tera T | 10 ex 12 |
Giga G | 10 ex 9 |
Mega M | 10 ex 6 |
kilo k | 10 ex 3 |
deci d | 10 ex-1 |
centi c | 10 ex-2 |
milli m | 10 ex-3 |
micro u | 10 ex-6 |
nano n | 10 ex-9 |
pico p | 10 ex-12 |
femto f | 10 ex-15 |
6.022 x 10 ex 23 | avogadros # or 6.02x 10 ex23 of x = 1.00 mole of x |
non polar bonds | electrons are shared equally |
polar bonds | electrons are shared unequally |
covalent bonds | strong chemical bond in which 2 atoms share one pair of valence bonds |
1.7x 10 ex24g | dalton's #, unit of mass used to describe mass of protons and neutrons |
double covalent bonds | a type of covalent bond in which two atoms share pairs of electrons; symbolized by a pair of lines between the bonded atoms |
element | is a substance that cannot be broken down to other substances by chemical reaction |
hydrogen bond | weak type of bond but most crucial |
ionic bond | weak bonds and are attractions between ions of opposite charge |
ion | the # of protons and # of electrons are unequal |