Weekly Assignment Check (11/12): Missed ?? (PNPS)

In the formula for a covalent compound, we use prefixes to indicate...

• the oxidation number of each proton

• the number of each atom.

• the charge on the ion.

• the number of orbitals and valence shells.

Multiple Answer Question

Choose the following compounds that are formed using an ionic bond...

• CH₄

• PCl₃

• Al₂S₃

• MgS

• F₂

Ionic compounds are neutral because

• The ions in the compound no longer have charges

• The number of cations equals the number of anions

• The total charges of both cations and anions balance each other

• The charges of the ions do not apply to the elements once bonded together.

What is the name of the compound in the Lewis Dot Diagram below?

• Beryillium Chlorine

• Beryillium Chloride

• Beryillium Dichloride

• Monoberyillium Dichloride

Tags

NGSS.MS-PS1-1

In general, when discussing Ionic Compounds, nonmetals react by __________ valence electrons.

• gaining

• losing

• sharing

In general, when discussing Ionic Compounds, metals react by __________ valence electrons.

• gaining

• losing

• sharing

What is the correct name for Ba₃As₂?

• Barium Diarsenide

• Barium Arsenide

• Arsenic Baride

• Tribarium Diarsenide

Tags

NGSS.MS-PS1-1

How many total covalent bonds are formed in one molecule of water or H₂O?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following combinations of elements is most likely to produce covalent bonds?

• sodium and magnesium

• fluorine and bromine

• hydrogen and helium

• aluminum and bromine

Tags

NGSS.MS-PS1-1

What is the correct name for compound PO?

• Monophosphorus monoxide

• Monophosphorus oxide

• Phosphorus monoxide

• Phosphorus oxide

Tags

NGSS.MS-PS1-1