Chemistry Chapter 9 Lesson 1 Questions

What do ionic compounds consist of?

• Two positive metal ions

• A positive metal ion and a negative nonmetal ion

• Two negative nonmetal ions

• A positive nonmetal ion and a negative metal ion.

Tags

NGSS.HS-PS1-3

Fill in the blank: NaCl is an example of an ionic compound consisting of one sodium ion (Na⁺) and one ______ ion (Cl⁻).

• Oxygen

• Chloride

• Nitrogen

• Fluoride

Tags

NGSS.MS-PS1-1

What is the most important step in learning the chemistry language?

• Learning about monatomic ions

• Naming and writing chemical formulas for ionic compounds

• Understanding covalent bonds

• Studying organic chemistry.

Monatomic ions consist of a single atom with a _______ charge resulting from the loss or gain of one or more valence electrons.

• neutral

• positive or negative

• double

• triple

What charge do all Group 1A ions have?

• 1+ charge

• 2+ charge

• 3+ charge

• 0 charge

All Group 2A ions have a ___ charge.

• 1+

• 2+

• 3+

• 4+

Which of the following is the correct name for the cation Na⁺?

• Sodium ion

• Calcium ion

• Aluminum ion

• Potassium ion

Fill in the blank: The cation Ca²⁺ is known as the ______.

• Sodium ion

• Calcium ion

• Aluminum ion

• Magnesium ion

What is the charge of a nonmetallic ion when it forms an anion?

• Positive

• Negative

• Neutral

• Variable

Tags

NGSS.HS-PS1-2

The charge of any ion of a Group A nonmetal is determined by how many electrons they need to gain to be a ______ gas.

• Noble

• Inert

• Reactive

• Heavy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2