Exam I Flashcards
Odor, taste, color, appearance, melting point, and boiling point are all what type of properties?
Physical properties
Corrosiveness, flammability, acidity, and toxicity are all what type of properties?
Chemical properties
Cations are _________ than their corresponding atoms.
Smaller
Anions are ________ than their corresponding atoms.
Larger
What element has the lowest ionization energy?
Francium
What element has the highest ionization energy?
Fluorine
What is the most electronegative element?
Fluorine
What is the least electronegative element?
Francium
What ion of Zn is predictable?
Zn⁺⁺
What ion of Sc is predictable?
Sc³⁺
What ion of Ag is predictable?
Ag⁺
What ion of oxygen is most common?
O²⁻
What ion of nitrogen is most common?
N³⁻
What ion of phosphorus is most common?
P³⁻
What is the formula for transition metal cation charge?
- -(anion subscript) (anion charge) / cation subscript
What element has the highest ionization energy and the highest electronegativity?
Fluorine
Which periodic table column can easily gain or lose electrons?
Column 14
_______ Elements exist in nature with single elements as their basic units.
Give an example.
- Atomic
- Na, Mg, or Au, etc. (most elements)
_______ Elements exist in nature as molecules.
Give an example.
- Molecular
- Diatomics: O₂, Cl₂, N₂, etc.
- Polyatomics: P4
Molecular compounds are composed of two or more __________.
Non-metals
Ionic compounds are composed of a ______ and an _______.
- Cation (metal)
- Anion (non-metal)
What formula is used to determine cation charge in transition metals?
Give an example.
- [(anion subscript) x (anion charge)] / cation subscript.
- WO₂ = -[-2 x 2] / 1 = 4 = Tungsten (IV) Oxide
What three elements in lecture were defined as being exceptions to the octet rule?
- Hydrogen (2 e-)
- Boron (6 e-)
- Aluminum (6 e-)
A carbon chain with one carbon has a prefix of…
meth- (ex. methyl)
A carbon chain with two carbons has a prefix of…
eth- (ex. ethyl)
A carbon chain with three carbons has a prefix of…
prop- (ex. propyl)
A carbon chain with four carbons has a prefix of…
but- (ex. butyl)
Regarding stereocenters, atoms are prioritized according to _______ atomic number.
increasing
Regarding stereocenters, would a ethyl group or a methyl group take priority over the other?
Ethyl would take priority
Regarding stereocenters, once atom priority is assigned, what isomer would the structure be if the ordering is clockwise?
R-stereoisomer