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faiths science
| Term | Definition |
|---|---|
| what is the center of an atom called? | necleus |
| what is a molecule? | a group of atoms bounded together |
| what are the eight elements called? | the noble gases |
| what is matter made up of? | atoms |
| what is a cation? | a positive ion |
| what is a anion? | a negetive ion |
| what is an atom? | the smallest part of matter |
| what is the mass number? | the amount of protons and neutrons |
| what is the atomic number? | number of protons |
| what is a compound? | a mix of two different elements |
| interstitial has no what? | protiens |
| one watt equals? | 1 joule per second |
| body's normal metabolic rate is? | 80 watts |
| used to measure osmolarity? | raoult's law |
| How does metallic caps minimize heat loss? | By reflecting heat back to head |
| democritus | named atom "atom's" declared indivisible |
| Thomson | discovered electron, originally called corpuscle. "plum pudding model" |
| Millikan | charge of electron=1.6x10^-19 |
| Rutherford | discovered nucleus:dense and positive |
| Chadwick | discovered neutron |
| What is a black light? | Lamp that emits UV rays |
| Mole | 6.02 x 10²³ (Avogadro's number) An atom's (molecule's) |