Test practice 2

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.

Tags

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.MS-PS1-1

A binary covalent bond exists between

• 2 metals
• 1 metal and 1 nonmetal
• 2 nonmetals
• Any 2 elements

Tags

NGSS.HS-PS1-2

What is the correct name for C₄H₆?

• Carbon Hexahydride
• Pentacarbon Pentahydride
• Hexacarbon Tetrahydride
• Tetracarbon Hexahydride

Tags

NGSS.MS-PS1-1

What is the correct name for NO?

• Mononitrogen Monoxide
• Nitrogen Monoxide
• Mononitrogen Dioxide
• Nitrogen Oxide

What is the formula for Tricarbon Octahydride?

• Ca₃O
• C₂H₈
• C₃H₈
• Ca₃H₈

What is Sulfur Trichloride?

• SCl₃
• SiCl₃
• SCl₄
• Si₃Cl

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

P₂O₅

• Phosphorus Oxide
• Pentaphosphorus Dioxide
• Diphosphorous pentoxide
• Phosphoric Oxygen

PBr₅

• Phosphorus Bromide
• Phosphorus Pentabromide
• Pentaphosphorus bromide
• Phosphorus Bromine