metals and oxygen Flashcards
(15 cards)
What is the chemical symbol for oxygen?
O
True or False: Metals typically react with oxygen to form oxides.
True
Fill in the blank: The process of a metal reacting with oxygen is known as __________.
oxidation
Which of the following metals does NOT readily react with oxygen: A) Iron B) Gold C) Sodium?
B) Gold
What type of bond is typically formed between metals and oxygen in metal oxides?
Ionic bond
What is the name of the oxide formed when iron reacts with oxygen?
Iron oxide
True or False: All metals form oxides when exposed to air.
False
What is the general formula for a metal oxide?
MO, where M is the metal
Which metal is known to react vigorously with oxygen at room temperature?
Sodium
What is the primary characteristic of metal oxides?
They are typically basic.
Fill in the blank: The reaction of metals with oxygen is often exothermic, meaning it __________ heat.
releases
What is produced when magnesium burns in oxygen?
Magnesium oxide
Which two metals are commonly used to demonstrate the reaction with oxygen in educational settings?
Iron and magnesium
True or False: Oxides of metals can be both acidic and basic.
True
What is the term for the protective layer that forms on metals like aluminum when they react with oxygen?
Aluminum oxide layer
