PRE-LAB EXPERIMENT 1 SK015

Name the lab equipment pictured

• Evaporating Dish

• Crucible

• Mortar and pestle

Name the lab equipment pictured

• Tongs

• Forceps

• Spatula

What is the symbol of the element: zinc?

• Zn

• Zc

• Zi

What is the symbol of the element: chloride?

• Ch

• Cd

• Cl

Theoretically, what is the formula unit of zinc chloride?

• ZnCl

• ZnCl₂

• Zn₂Cl

Define the term compound?

• It is made up of only one kind of atom

• A set of chemical symbols showing the amount of each element present in a compound

• A substance composed of 2 or more elements that are chemically combined

A formula with the lowest whole number ratio of elements in a compound is called

• Molecular Formula

• Chemical Formula

• Empirical Formula

A formula with the actual whole number ratio of elements in a compound is called

• Molecular Formula

• Chemical Formula

• Empirical Formula

What is the suggested volume of measuring cylinder needed to be used in this experiment?

• 1 mL

• 100 mL

• 10 mL

What gas will be released when HCl solution is poured into a crucible containing zinc powder?

• Oxygen gas

• Hydrogen gas

• No gas will be released