compounds and reactions

Which of these is the largest planet in the Solar System?

• Earth
• Mars
• Mercury
• Jupiter
• Pluto

Tags

NGSS.MS-ESS1-3

The name for MnBr₂ is _________.

• magnesium bromide
• Manganese (I) bromide
• Manganese (II) bromide
• manganese bromide

Titanium (IV) oxide has the formula _________

• TiO₄

• TiO₂

• Ti₄O

• Ti(IV)O

The correct name for P₂O₅ is _________

• diphosphorus pentoxide
• diphosphorus oxide
• phosphorus (V) oxide
• phosphorus (II) oxide

Which of the following formulas is incorrect?

• AlCl₃

• MgS₂

• Li₂O

• KCl

Tags

NGSS.MS-PS1-1

What is formed when calcium forms a bond with hydroxide?

• CaOH₂

• CaOH
• Ca₂OH

• Ca(OH)₂

Which of the following intermolecular forces would be present in all atoms and molecules?

• Hydrogen Bonding
• Dipole-Dipole Forces
• London Dispersion Forces
• All of the above

Which of the following best describes the behavior of electrons in a covalent bond?

• Electrons are transferred
• Electrons are shared
• Electrons are delocalized
• None of the above

Choose the correct Lewis structure for the NH₃ molecule.

• a) The one on the left

• b) The one on the right

Choose the correct Lewis structure for the CO₂ molecule.

• I.
• II.
• III.
• IV.

Tags

NGSS.HS-PS1-3