Bonding Practice # 1

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

Nitrogen, N, will form which of the following ions?

• N

• N^-3

• N^-5

• N⁺⁵

Write the correct formula for an ionic compound formed from S^2- and Rb¹⁺.

• SRb₂
• SRb
• Rb₂S
• RbS₂

What will be the charge of a bromide ion?

• +7

• -7

• -1

• +1

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.

• electrons are completely transferred between two metals.

• pairs of electrons are shared between two nonmetal atoms.

• two nonmetal atoms are attracted to each other by opposite charges.

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Which of the following is an example of a COVALENT COMPOUND?

• H₂S
• KI
• CaCl₂
• MgO

Name this compound: LiO

• lithium oxide
• oxygen monolithium
• monolithium dioxide
• dilithium dioxide

What charge does a potassium (K) ion have?

• +1
• -1
• +2 
• -2

The type of bond where valence electrons are SHARED is called: 

• Covalent

• Ionic

• Hydrogen

• Isotope