Match the terms to the definitions.

• cations

• Atoms or ions with a positive charge

• covalent bond

• a lasting attraction between atoms or ions

• anions

• atoms give and take electrons

• ionic bond

• Atoms or ions with a negative charge

• chemical bond

• formed with two nonmetals

Tags

112.43.c.7

112.43.c.7.D

Which of the following is a property of ionic compounds?

• High electrical conductivity in solid state

• High melting and boiling points

• Low solubility in water

• Low melting and boiling points

Tags

TX.112.43.C.7.D.

Type in the name of the following compound (all in lowercase).

Na₂O

Tags

112.43.c.7.B

Which of these shows a correct ionic compound diagram?

• 
• 
• 
• 

Tags

112.43.c.7.C

112.43.c.7.A

What type of bond is formed between sodium (Na) and chlorine (Cl) in sodium chloride (NaCl)?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Tags

TX.112.43.C.7.D.

Match the name to the formula.

• CaBr₂

• phosphorous dioxide

• PO₂

• aluminum nitrate

• CS₂

• calcium bromide

• Al(NO₃)₃

• carbon sulfide

• K₃PO₄

• potassium phosphate

Tags

112.43.c.7.B

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

112.43.c.5.B

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

112.43.c.6.E

Label the type of compound and what it is made of.

a

b

d

polyatomic ion

metal

covalent compound

nonmetal

ionic compound

Tags

112.43.c.7.B