Ionic Bonds

Multiple Choice

Why do you think certain ions are attracted to each other in chemical reactions?

• Because of their opposite charges

• Because they are the same size

• Because they have the same charge

• Because they are both metals

Multiple Choice

What is a chemical bond?

• A force that holds two atoms together

• A type of atom

• A molecule made of two elements

• A reaction between acids and bases

Multiple Select

Which of the following statements about ionic bonds are correct?

• Ionic bonds result from the transfer of electrons from one atom to another

• Ionic bonds occur between a positively charged ion and a negatively charged ion

• Ionic bonds result in the formation of molecules

• Ionic bonds always occur between two metals

Multiple Choice

After the transfer of an electron from sodium to chlorine, what is the electron arrangement in the valence shell of both atoms?

• 8 electrons (octet)

• 6 electrons

• 2 electrons

• 10 electrons

Multiple Choice

Which property of ionic compounds is a result of the strong attraction between ions and the orderly arrangement in the crystal lattice?

• High melting and boiling points

• Low density

• Poor conductivity

• Soft texture

Multiple Select

Which of the following are properties of ionic compounds?

• They have high melting and boiling points

• They are hard and strong

• They are electrolytes

• They are soft and flexible

Multiple Choice

According to the rules for writing compound formulas, which of the following is the correct way to write the formula for a compound made from sodium and chlorine?

• ClNa

• NaCl

• Cl2Na

• Na2Cl

Multiple Choice

Which of the following elements typically forms a +2 ion?

• Na

• Mg

• Cl

• Al

Multiple Select

Select all pairs of ions that will combine in a 1:1 ratio to form a neutral compound.

• K+ and I-

• Mg2+ and O2-

• Al3+ and Cl-

• Na+ and O2-

Multiple Choice

What is the purpose of the criss-cross method when writing chemical formulas for ionic compounds?

• To balance the charges of ions by determining the subscripts

• To name the ions involved in the compound

• To identify the type of chemical bond

• To determine the color of the compound

Multiple Choice

Based on the criss-cross rule, what is the correct formula for a compound formed between Ca2+ and P3-?

• Ca3P2

• Ca2P3

• CaP

• Ca2P

Multiple Choice

Which of the following formulas correctly applies the criss-cross method and the use of parentheses for polyatomic ions?

• Al(OH)3

• AlOH3

• Al3OH

• Al(OH)

Multiple Choice

Which of the following ions is named correctly as shown in the image?

• Na+ = sodium ion

• Zn2+ = zinc ion

• Al3+ = aluminum ion

• All of the above

Multiple Choice

What is the cartoon in the first image illustrating about the behavior of alkali metal ions (like Li+, Na+, K+, Rb+, Cs+) compared to halide ions (like F-, Cl-, Br-)?

• Alkali metal ions are attracted to the halide ions outside the window, representing ionic attraction.

• Alkali metal ions are more reactive than halide ions.

• Halide ions are more attracted to the teacher than alkali metal ions.

• Alkali metal ions are not interested in forming compounds.