Categorize each description as a Metal, Nonmetal, or Metalloid.

Select all statements that are true about element families.

Perform the calculation and report the answer with the correct number of significant figures. 15.72 + 8.4

Categorize each statement as describing Kinetic Energy or Potential Energy.

Place the following measurements in order from smallest to largest. You may need to convert the measurements to a common unit before comparing them.

Select all examples that describe a chemical change.

A student measures 25.00 mL of water using a beaker. Which statement best explains the problem with this method?

A calculator gives the following answer: 7.755465587 The calculation was: (4.56 × 2.1) ÷ 1.235 How should the final answer be reported?

A rectangular metal block has the following dimensions: Length = `length` cm Width = `width` cm Height = `height` cm Mass = `mass` g Calculate the density of the metal in g/cm3. Round your answer to 2 decimal places.

Convert 3.75 × 102 mg to kg. Give your answer to the correct number of significant figures in standard notation.