Bonding and Reactions Review

In a chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?

• Sucrose

• Carbon Dioxide

• Water

• Heat

Which of the following is true for all chemical reactions?

• The total mass of the reactants increases

• The total mass of the products is greater than the total mass of the reactants

• The total mass of the products is less than the total mass of the reactants

• The total mass of the products equals the total mass of the reactants

Chemical reactions...

• Only occur in living organisms

• Create and destroy atoms

• Only occur in a lab

• Produce new substances

Chemical equations must be balanced to satisfy

• The law of definite proportions

• The law of multiple proportions

• The law of conservation of mass

• Avogadro's principle

The reaction 2Fe + 3Cl₂ -> 2FeCl₃ is an example of which type of reaction?

• Combustion

• Single Replacement

• Synthesis

• Decomposition

The equation Mg + 2HCl -> MgCl₂ + H₂ is an exmaple of which type of reaction?

• Synthesis

• Single Replacement

• Decomposition

• Double Replacement

Which of the following is an ionic compound?

• CS₂

• BaI₂

• N₂O₄

• PCl₃

How does calcium obey the octet rule when reacting to form compounds?

• It gains electrons

• It gives up electrons

• It does not change its number of electrons

• Calcium does not obey the octet rule

Tags

NGSS.HS-PS1-2

What is the name of NaBr?

• Sodium Bromide

• Sodium Monobromide

• Monosodium Monobromide

• Sodium Bromine

What is the name of Ca₃(PO₄)₂?

• Calcium Phosphide

• Calcium Phosphate

• Calcium Phosphorous

• Calcium Phosphoric