Covalent Bonds and Molecular Compounds

Covalent Compounds can be __________ bonded

• zero

• single

• double

• triple

• quadruple

H₂SO₄ is the chemical formula with what elements

• oxygen

• sulphur

• helium

• hydrogen

• silver

Which are examples of Molecular Compounds?

• Lithium Flouride, Magnesium Oxide

• Water

• Table Salt

• Methane, Carbon Dioxide

• Sugar

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

The type of bond that is formed when one atom transfers electrons to another atom is called:

• covalent

• ionic

The type of bond that is formed when one atom shares electrons with another atom is called:

• covalent

• ionic

Oxygen has 6 valence electrons. How many covalent bonds can each atom form?

• 1
• 2
• 3
• 4

Covalent molecular compounds generally have...

• stronger chemical bonds

• poor conductivity

• a high melting point

• lower densities

Steel generally speaking is made of

• iron and carbon

• copper and iron

• tin and carbon

• aluminum and nickel

__________

show the shape and appearance of

the arrangement of atoms in a compound.

• Chemical formula

• Molecular formula

• Molecular models

• Chemical modles