Bonding Mini Quiz

Magnesium bromide is one of the most abundant compounds found in seawater. Which formula correctly represents magnesium bromide?

• MgBr

• MgBr₂

• Mg₂Br

• Mg₃Br₂

Tags

NGSS.MS-PS1-1

Sodium (Na) forms an ionic bond with Fluorine (F) to produce sodium fluoride (NaF). Which of these elements would bond similarly with sodium?

• potassium (K)

• magnesium (Mg)

• oxygen (O)

• chlorine (Cl)

The chemical formula for water is H2O. What does the formula show about each element in the compound?

• the number of valence electrons

• the charge of the compound

• the mass of protons in each atom

• the number of atoms of each element

Tags

NGSS.MS-PS1-1

Which of the following best describes why lithium fluoride is an ionic compound?

• Lithium and fluorine atoms combine by sharing electrons

• Lithium and fluorine atoms combine to form molecules

• Lithium ions form by gaining electrons while fluorine ions form by losing electrons

• Lithium ions form by losing electrons while fluorine ions form by gaining electrons

Which compound will most likely be formed when lithium (Li) and nitrogen (N) are chemically combined?

• LiN

• Li₃N

• LiN₃

• Li₃N₃

Tags

NGSS.MS-PS1-1