the reactivity series Flashcards
What is the order of reactivity of metals from most reactive to least reactive?
Potassium, Sodium, Calcium, Magnesium, Aluminum, Zinc, Iron, Tin, Lead, Copper, Silver, Gold
True or False: Gold is more reactive than Sodium.
False
Fill in the blank: The most reactive metal is __________.
Potassium
Which metal is less reactive: Iron or Zinc?
Iron
What type of reaction occurs when a more reactive metal displaces a less reactive metal from its compound?
Displacement reaction
What is the reactivity series?
in the reactivity series, metals are arranged from the most reactive to the least
True or False: Potassium is more reactive than gold.
True
Which of the following metals is least reactive? A) Sodium B) Copper C) Calcium
B) Copper
What happens to the reactivity of metals as you move down the reactivity series?
The reactivity of metals decreases as you move down the series.
Which metals react with cold water?
metals such as sodium and potassium react with cold water.
True or False: Magnesium reacts with steam.
True
Multiple Choice: Which of the following metals does NOT react with cold water? A) Lithium B) Calcium C) Copper D) Sodium
C) Copper
What is one of the primary conditions necessary for rusting to occur?
Presence of water or moisture.
True or False: Rusting can occur in the absence of oxygen.
False.
Fill in the blank: Rusting is an electrochemical process that requires both ______ and water.
oxygen
Which of the following factors increases the rate of rusting? A) High humidity B) Low temperature C) Dry environment
A) High humidity
What type of metal is primarily affected by rusting?
Iron.
What is rust?
Rust is a type of corrosion that occurs when iron or its alloys react with oxygen and moisture.
True or False: Applying a coat of paint can help prevent rust.
True
Fill in the blank: The process of applying a protective layer to metal to prevent rusting is known as __________.
galvanization
Which of the following is NOT a method of rust prevention? A) Galvanizing B) Painting C) Exposing to saltwater
C) Exposing to saltwater
What role does moisture play in the formation of rust?
Moisture acts as an electrolyte, facilitating the electrochemical reactions that lead to rust.
what does metal plus water form?
metal hydroxide + hydrogen
metal + steam?
metal oxide + hydrogen
metal + hydrochloric acid?
metal chloride + hydrogen
what reacts with cold water, steam and acid
potassium, sodium, calcium and magnesium
potassium and sodium reaction
- reacts violently with cold water
- explode with steam
- explode with dilute hcl
calcium reaction
- reacts slowly with cold water
- explodes with steam
- react violently with hcl
magnesium reaction
- reacts slowly with cold water
- reacts violently with steam
-react rapidly with hcl
zinc reaction
- no reaction with cold water
- react readily with steam
- react fast with hcl
iron reaction
- no reaction with cold water
- reacts slowly with steam
- reacts slowly with hcl
lead
copper
silver
gold reaction
- no reaction with cold water
no reaction with steam - no reaction with hcl
