DEF
INFO Category
MATH PROBLEMS
100
Covalent bond
A bond formed when atoms share one or more pairs of electrons.
100
A diatomic molecule with a triple covalent bond is?
N2
100
The electron dot diagram that correctly shows the bonding H₂N₂ is?
200
Bond energy:
Energy required to break the bonds in one mole of a chemical compound.
200
When a double bond is formed, how many electrons are shared?
4
200
Which is the correct Lewis structure for COCl2?
300
Nonpolar covalent bond
Covalent bond in the bonding electrons that are equally attracted to both atoms.
300
What can form diatomic molecules held together by triple covalent bonds?
Nitrogen
300
The electron-dot notation for helium.
He:
400
Lewis structure
A formula in which electrons are represented by dots or dashes between two atomic symbols.
400
Electrons are shared unequally is called
polar covalent bond
400
How many electrons does Oxygen (O) need to have an octet?
2
500
Triple bond
A covalent bond in which two atoms share three pairs of electrons.
500
Which is a typical property of molecular covalent substances?
1. High melting point
2. Do not conduct electricity
3. Good conductors of heat
Do not conduct electricity
500
Write the name for each compound.
- BrF₅
- S₂F₂
- CO
- bromine pentafluoride
- disulfur difluoride
- carbon monoxide