QUIZ - Chemistry 2 (2024)

FIRST Name:

LAST Name:

What is the Chemical Formula of the Methane model below?

• CH₄
• CH
• HC

Zirconium (Zr) is an element with Atomic Number 40. According to the Periodic Table of Elements below, which type of element is Zirconium?

• metal
• metalloid
• nonmetal

Noble Gases are elements that are inert (they do not like to react with other elements to form compounds)? Which of the following elements is inert?

• Au (#79, Gold)
• C (#6, Carbon)
• Ne (#10, Neon)

The chemical equation below represents the reaction between Vinegar and Baking Soda. How many different ELEMENTS are in one molecule of the compound Sodium Acetate?

• 1
• 4
• 5
• 8

The element Sodium explodes in water. The element Chlorine is a poisonous gas. Sodium and Chlorine react to form table salt (NaCl), which you eat. Which sentence below best represents this concept?

• Salt requires energy to be formed.
• Salt is an element.
• Salt does not have the same properties of the individual elements that make it up.

The chemical equation below represents the reaction between Magnesium and Hydrochloric Acid. Check ALL of the substances that are COMPOUNDS.

• Mg
• HCl
• MgCl₂
• H₂

Which mixture is best separated by using a filter?

• A mixture of iron and sand
• A mixture of water and sand
• A mixture of blue and yellow ink

Purple paint is a mixture of red and blue paint. Which piece of equipment is best for separating these paint colors?

• Filter paper
• Chromatography paper
• Evaporation plate (hot plate)