Chemical Bonds
What is the ionic charge for the element- Br
0
What is the ionic charge for the element- K
1 +
What is the ionic charge for the element- Sr
2 +
What is the ionic charge for the element- S
2 -
What is the ionic charge for the element- Sc
3 +
What is the ionic charge for the element- P
3 -
How is a double covalent bond represented?
A double line
How is a single covalent bond represented?
A single line
How is a triple covalent bond represented?
A triple line
How are ionic bonds formed?
By one atom transferring electrons to another atom to form ions
How are covalent bonds formed?
By sharing electrons to form molecules
2 nonmetals in a bond is what type of bond?
Covalent
What type of bond is this- Carbon and Carbon
Covalent
What type of bond is this- Carbon and Chlorine
Covalent
What type of bond is this- Phosphorous and Fluorine
Covalent
1 metal and 1 nonmetal in a bond is what type of bond?
Ionic
Greater than 1.7 is what type of bond?
Ionic
What type of bond is this- Magnesium and Oxygen
Ionic
What type of bond is this- Molybdenum and Selenium
Ionic
Is this pair non-polar covalent, polar covalent, or an ionic bond (use electronegativities)- Potassium and Chlorine
Ionic (2.16)
2 metals in a bond is what type of bond?
Metallic
What type of bond is this- Cadmiun and Cadmiun
Metallic
What type of bond is this- Nickel and Nickel
Metallic
Which is more polar- N-Cl (0.19) or N-F (1.19)
N-F (1.19)
Below 0.5 is what type of bond?
Non-polar
Is this pair non-polar covalent, polar covalent, or an ionic bond (use electronegativities)- Selenium and Iodine
Non-polar (0.03)
Is this pair non-polar covalent, polar covalent, or an ionic bond (use electronegativities)- Carbon and Hydrogen
Non-polar (0.36)
0.5-1.7 is what type of bond?
Polar
Is this pair non-polar covalent, polar covalent, or an ionic bond (use electronegativities)- Sulfur and Oxygen
Polar (0.91)
Which is more polar- Se-F (1.55) or Se-I (0.03)
Se-f (1.55)
Duet Rule
States that 2 electrons will form a stable shell around atoms in the first period
Octet Rule
States that 8 electrons are required to form a stable shell around atoms in the second and third periods
Electronegativity
The measure of the attraction of an atom for electrons in a covalent bond
What is a double covalent bond?
There are 4 valence electrons being shared between two atoms
What is a triple covalent bond?
There are 6 valence electrons being shared between two atoms
What is a single covalent bond?
Where there are only 2 valence electrons being shared between two atoms
