Chemical Bonds

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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


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