Química Flashcards
(19 cards)
What is the definition of an oxide?
An oxide is a chemical compound that contains at least one oxygen atom and one other element.
True or False: All oxides are ionic compounds.
False.
Fill in the blank: Oxides can be classified as __________ or __________ based on their properties.
acidic, basic
What are the two main categories of oxides?
Acidic oxides and basic oxides.
Which type of oxide reacts with acids to form salt and water?
Basic oxides.
What is an example of an acidic oxide?
Carbon dioxide (CO2).
Multiple choice: Which of the following is a basic oxide? A) SO2 B) Na2O C) CO2
B) Na2O
What is the general formula for a metal oxide?
M2O, where M represents the metal.
True or False: Nonmetals typically form basic oxides.
False.
Give an example of a neutral oxide.
Nitrous oxide (N2O).
What is the primary use of silicon dioxide (SiO2)?
It is used as a primary component in glass and ceramics.
Fill in the blank: The reaction of an oxide with water often produces __________.
an acid or a base.
What type of oxide is formed from the combustion of hydrocarbons?
Acidic oxides, such as carbon dioxide.
Multiple choice: Which of the following oxides is amphoteric? A) Al2O3 B) Na2O C) CO2
A) Al2O3
What is the oxidation state of oxygen in most oxides?
-2.
True or False: Oxides can only be formed from elements in their pure form.
False.
Name the oxide formed when magnesium reacts with oxygen.
Magnesium oxide (MgO).
What type of oxide is typically formed by metals with low electronegativity?
Basic oxides.
Fill in the blank: Metal oxides can act as __________ in chemical reactions.
reducing agents.
