Bonding Practice Test

What is the correct chemical formula for Calcium Bromide?

• CaBr
• Ca2Br
• CaBr2
• Ca2Br2

Tags

NGSS.MS-PS1-1

1.  In a nonpolar covalent bond, electrons are

• 1)  Located in a mobile “sea” shared by many atoms
• 1)  Shared unequally by two atoms
• 1)  Shared equally by two atoms
• Transferred from one atom to another

1.  Which formula represents a molecular compound?

• LiOH
• NaI
• Kr
• N₂O₄

Tags

NGSS.HS-PS1-1

The degree of polarity of a chemical bond in a molecule of a compound can be predicted by determining the difference in the 

• 1)  Atomic masses of the bonded atoms in a molecule of the compound
• 1)  Melting points of the elements in the compound
• 1)  Symmetry of the molecule.
• 1)  Electronegativities of the bonded atoms in a molecule of the compound

What is the correct formula for Diphosphorous tetranitride?

• P(II)N(III)

• P₂N₃

• P₂N₄

• PO₄NO₃

1.  Which elements will form an ionic compound?

• Na and Al
• Li and S
• Ca and Hg
• H and I

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of an ion in group 13?

• +3

• -3

• -5

• +5

Tags

NGSS.HS-PS1-1

Ionic compounds are written with

• cation (+ ion) first then anion (- ion)
• anion (- ion) first then cation (+ ion)
• either way is fine
• polyatomic ions first

What is the FORMULA for
calcium chloride

• CaCl₂
• Cl₂Ca
• Ca₂Cl
• CaCl

Tags

NGSS.MS-PS1-1

Bromine monoflouride

• Br₁F₁
• BrF
• Br₂F
• BrF₂