Covalent Bonds Flashcards
1
Q
What are Covalent Bonds?
A
Chemical bond formed when two atoms share electrons. Often formed between two or more nonmetals.
2
Q
How to know how many bonds the atom can make.
A
Eight minus the valence electrons. (The one exception is Hydrogen)
3
Q
What is an ionic or covalent bond: (Covalent: nonmetal + nonmetal, Ionic: Metal + Nonmetal) H2O H2 KCL KBr HCL NaF CO2 HCL CH4 CaCl2
A
Covalent: CO2, CH4, HCL, H2O, H2
Ionic: K2O, KBr, KCL, NaF, CaCl2
4
Q
Is CaCl2 an ionic or covalent bond?
A
Ionic
5
Q
Is CO2 an ionic or covalent bond?
A
Covalent
6
Q
Is H2O an ionic or covalent bond?
A
Covalent
7
Q
Is BaSO4 an ionic or covalent bond?
A
Both
8
Q
Is K2O an ionic or covalent bond?
A
Ionic
9
Q
Is NaF an ionic or covalent bond?
A
ionic
10
Q
Is Na2Co3 an ionic or covalent bond?
A
Both
11
Q
Is CH4 an ionic or covalent bond?
A
covalent
12
Q
Is SO3 an ionic or covalent bond?
A
Covalent
13
Q
Is LiBr an ionic or covalent bond?
A
Ionic
