metals and reactivity Flashcards
(26 cards)
What is the definition of reactivity in metals?
Reactivity refers to how easily a metal can undergo a chemical reaction.
True or False: Alkali metals are highly reactive.
True
Fill in the blank: The most reactive metals are found in group ____ of the periodic table.
1
Which metal is the least reactive?
Gold
What happens to alkali metals when they react with water?
They produce hydrogen gas and a metal hydroxide.
True or False: Transition metals are generally more reactive than alkali metals.
False
What is the general trend in reactivity of metals as you move down group 1?
Reactivity increases.
What type of reaction occurs when metals react with acids?
A displacement reaction.
Which metal is often used to displace copper from copper sulfate solution?
Zinc
What is the term for a metal that does not corrode easily?
Noble metal
Fill in the blank: The reaction of metals with oxygen is called _____.
oxidation
What is an example of a metal that reacts vigorously with water?
Sodium
What do we call metals that are highly reactive and form ions easily?
Alkali metals
True or False: Iron is more reactive than aluminum.
False
What is produced when iron reacts with oxygen?
Rust (iron oxide)
Which group of metals includes lithium, sodium, and potassium?
Group 1 (alkali metals)
Fill in the blank: Metals that can be easily shaped or drawn into wires are called _____.
ductile
What is the most reactive nonmetal that can react with metals?
Fluorine
What is the result of a metal reacting with a halogen?
Formation of a metal halide.
Fill in the blank: When metals react with acids, they typically produce _____.
hydrogen gas
What is the activity series?
A list of metals arranged in order of decreasing reactivity.
True or False: Copper can displace zinc from zinc sulfate solution.
False
What type of metal is known for its ability to conduct electricity well?
Conductive metals (e.g., copper, silver)
What happens to the reactivity of metals as you move from left to right across the periodic table?
Reactivity generally decreases.