Honors Chemistry Semester 1 Review

Which of the following is considered to be a physical property of matter?

• Reactivity

• pH

• Solubility

• Toxicity

Which of the following is considered to be a chemical property of matter?

• Viscosity

• Reactivity

• Texture

• Density

Tags

NGSS.MS-PS1-1

Which of the following would not be classified as a pure substance?

• Element

• Compound

• Solution

• Molecule

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

What is the correct Lewis Dot Structure for ammonia NH₃

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

What is percent composition of the element hydrogen in the compound methane, CH₄?

• 16.0%

• 25.1%

• 74.9%

• 100%

What is the percent composition, to two significant digits, for each element in sodium chloride (NaCl)?

• 23% Na, 35% Cl

• 39% Na, 61% Cl

• 50% Na, 50% Cl

• 61% Na, 39% Cl

Describe one chemical change and one physical change in a burning candle.

• A chemical change is producing heat, and a physical change is emitting light in a burning candle.

• A chemical change is producing heat, and a physical change is melting wax in a burning candle.

• A chemical change is melting wax, and a physical change is producing heat in a burning candle.

• A chemical change is melting wax, and a physical change is emitting light in a burning candle.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A list of the materials for a chemistry lab are provided. 

  1. A 3 cm long strip of magnesium  

2. A 10 mL sample of hydrochloric acid  

3. A stir rod with density greater than 1.5 g/mL     

4. A beaker at room temperature

 Which materials are listed with intensive properties?

• 1 and 2

• 2 and 4

• 3 and 4

• 1 and 3

Substances with an indefinite shape and an indefinite volume are in which state of matter?

• Gaseous state

• Liquid state

• Solid state

• No state of matter fits this description