Understanding Ionic Bonds and Compounds

What is the main concept behind the phrase 'opposites attract' in physics?

• Objects with opposite charges attract each other.

• Objects with no charge attract each other.

• Objects with the same charge attract each other.

• Objects with opposite charges repel each other.

In the formation of an ionic bond between sodium and chlorine, what happens to the sodium atom?

• It loses two electrons and becomes negatively charged.

• It gains two electrons and becomes positively charged.

• It loses an electron and becomes positively charged.

• It gains an electron and becomes negatively charged.

When potassium and iodine form an ionic bond, what is the resulting chemical formula?

• KI

• K2I

• KI2

• K2I2

How many chlorine atoms are needed to balance the charge when magnesium forms an ionic bond with chlorine?

• Four chlorine atoms

• One chlorine atom

• Two chlorine atoms

• Three chlorine atoms

What is the chemical formula for the compound formed between magnesium and chlorine?

• MgCl2

• MgCl

• Mg2Cl

• Mg2Cl2

What is the first step in determining the formula for an ionic compound?

• Naming the compound

• Drawing the Lewis dot structures

• Balancing the charges

• Writing the chemical symbols

What is the correct name for the compound NaCl?

• Sodium chlorine

• Sodium chlorate

• Sodium chlorite

• Sodium chloride

How do you modify the name of a nonmetal when naming an ionic compound?

• Add '-ate' to the end

• Change the ending to '-ide'

• Add '-ite' to the end

• Add '-ium' to the end

What is the name of the compound formed between potassium and iodine?

• Potassium iodite

• Potassium iodine

• Potassium iodide

• Potassium iodate

What is the name of the compound formed between sodium and sulfur?

• Sodium sulfur

• Sodium sulfite

• Sodium sulfide

• Sodium sulfate