Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
homo mixture |
mixture of the same element (sugar & salt) |
|
|
hetero mixture |
retain their own characteristics (granite and milk) |
|
|
physical prop |
describes appearance that can be measured without changing identity (color, hardness, density, solubility) |
|
|
chemical prop |
props that describe the behavior in chemical reactions that change its identity |
|
|
metals |
solids, heat, electricity, malleable (hammered), luster (shine), ductile (wire) |
|
|
nonmetals |
solids, liquids, and gases. no heat, not ductile or malleable |
|
|
Metalliods |
both! |
|
|
Metalliods |
both! |
|
|
what is all matter made up of according to dalton? |
atoms |
|
|
Metalliods |
both! |
|
|
what is all matter made up of according to dalton? |
atoms |
|
|
what is an atom? according to dalton |
smallest unit of an element that can exist alone or in combination with other atoms |
|
|
Metalliods |
both! |
|
|
what is all matter made up of according to dalton? |
atoms |
|
|
what is an atom? according to dalton |
smallest unit of an element that can exist alone or in combination with other atoms |
|
|
atoms of the same element? dalton. |
chemically alike |
|
|
what does Dalton say isotopes are? |
atoms that may not have some mass |
|
|
what does Dalton say isotopes are? |
atoms that may not have some mass |
|
|
how are atoms not divided? Dalton. |
not subdivided in classical reactions |
|
|
atomic number |
indicates # of protons |
|
|
atomic mass ? |
the sum of protons and neutrons |
|
|
atomic mass ? |
the sum of protons and neutrons |
|
|
isotopes |
atoms having some atomic # but diff atomic mass (diff number of n) |
|
|
ions |
atoms that have diff # of e- ... charged particles |
|
|
ions |
atoms that have diff # of e- ... charged particles |
|
|
anuon |
ion w excess of neg charges, more e than p (0-2) |
|
|
ions |
atoms that have diff # of e- ... charged particles |
|
|
anuon |
ion w excess of neg charges, more e than p (0-2) |
|
|
cation |
ion with fewer neg charges, less e- than p (Na+) |
|
|
atomic mass unit |
in comparison to C-12 atom. take atomic mass and put it over 12 |
|
|
planks formula |
e = h f |
|
|
Bohr model? |
2 8 8 2 |
|
|
quantum number levels |
1 - 2e 2 - 8e 3 - 18e 4 - 32e |
|
|
quantum number levels |
1 - 2e 2 - 8e 3 - 18e 4 - 32e |
|
|
quantum letter levels |
s - 1 (2e) p - 3 (6e) d - 5 (10e) f - 7 (14e( |
|
|
Hindis rule- how many e in each orbital? |
each is orbital can only contain 2 e- having opposite spins |
|
|
Hindis rule- how many e in each orbital? |
each is orbital can only contain 2 e- having opposite spins |
|
|
hindus rule- what happens to any added e- |
any added e is placed in an unfolded orbital of lowest energy and second e is not added to an orbital until each contains 1e |
|
|
Pauli exclusion principle? |
in any one atom, no 2e can have the same set of 4 quantum numbers |
|
|
Heisenberg uncertainty principle? |
it is impossible to know the certainity of position and momentum of any e at any moment |
