Lecture 3 Flashcards
August 27th ; page 8-10
John Dalton’s 4 Ideas on Atomic Theory
- Each element has atoms
- All atoms of an element are identical
3.Can’t change an atom by chemical reaction - Law conservation of matter; compound can be made by combining elements
Subatomic Particle Locations
Protons and Neutrons inside , electrons are FAR out
Isotopes
Same amount of protons, different nuetrons which effects atomic mass
Metals are more susceptible to ____
Lose their electron to nonmetals ( anions) during chemical bonding
Isotope Average
Take isotope average times percent, repeat for amounr of isotopes
Periodic Table breakdown left to right
- Alkaline Metals 2. Alkaline Earth Metals 3. Transition Metals ( ladder ) 4. Chalcognes 5. Halogens 6. Noble Gases
Non-Metals are ___
Anions
Diatomic Molecules
Molecules composed of only two atoms, of the same or different chemical elements
Diatomic 7
Have No Fear of Ice Cold Beer
Binary Ionic Compound
Metal transfers electrons to non-metals
Method to write formulas for Binary Ionic Compounds
Find CHARGE , swap #’s
Name a Binary Compound
( metal, non-metal (ide)
( pos, neg (ide))
Polyatomic Compounds
More than 2 elements, second word ends in “ ate” or “ ite”
Transition Metals charges____
VARY
Name a transition metal
metal ( roman numeral) + non-metal (ide)