Properties & Polarity
Ionic Bonding
Covalent Bonding
VOCAB
Valance
100
Ionic or Covalent?
Made from two nonmetals
Covalent
100
An atom or molecule that has a net negative or positive charge is called a/an _____.
ion
100
A covalent bond will always form when these two types of elements react.
nonmetal and nonmetal
100
A chemical bond that involves the sharing of electron pairs between atoms.
covalent bond
100
How many valence electrons are in the element Lithium?
1
200
Ionic or Covalent?
Made from a metal and a nonmetal
Ionic
200
A positively charged ion is called a/an _____.
cation (Li+, Na+, Cu+, Cu2+, NH4+)
200
Which type of covalent bond is the strongest?
SINGLE-DOUBLE OR TRIPLE
triple bond
200
A chemical bond that involves the electrostatic attraction between oppositely charged ions.
ionic bond
200
How many valence electrons are in the element Aluminium?
3
300
Ionic or Covalent?
Strong bonds
Ionic
300
Group 1 metals will always ionize to form ions with a ____ charge. (Give number and sign; e.g. 1-, 1+, 2+, etc.)
1+
300
What type(s) of bonds are shown in the compound below?
2 single bonds and 2 double bonds OR 3 SIGMA 1 PI BOND
300
The minimum amount of energy required to remove an electron from an atom/molecule in the gaseous state.
ionization energy?
300
How many valence electrons are in the element Florine?
7
400
Ionic or Covalent?
Shares Electrons
covalent
400
A negatively charged ion is called a/an _____.
anion
400
How many bonds can carbon form? (i.e. How many valence electrons does carbon need)
Figure: charcoal is mostly pure carbon
4
four
400
Cause molecules to be attracted or repulsed by each other.
intermolecular forces
400
Why do all the elements want to make valence electrons 8?
Nobel gas
500
Ionic or Covalent?
Transfer electrons
Ionics
500
Metals in Group 2 always form ions that have a ____ charge. (Give number and sign; e.g. 1-, 1+, 2+, etc.)
500
How many bonds can nitrogen form? (i.e. How many valence electrons does nitrogen need)
500
Bonding electrons are delocalized over a lattice of atoms.
metallic bonds
500
This rule dictates that atoms are most stable when their valence shells are filled with eight electrons
OCTET