group 1 Flashcards
(19 cards)
what are group 1 called?
the alkali metals
What are the elements in Group 1 of the periodic table commonly known as?
Alkali metals
Which element is the lightest alkali metal?
Lithium
True or False: All alkali metals have one electron in their outermost shell.
True
Fill in the blank: The alkali metals are highly ______ and react vigorously with water.
reactive
What is the general trend in reactivity for Group 1 elements as you move down the group?
Reactivity increases
Which alkali metal is found in the second period of the periodic table?
Sodium
What is the primary characteristic of alkali metals in terms of their physical state at room temperature?
They are solid.
Multiple Choice: Which of the following is NOT an alkali metal? A) Potassium B) Calcium C) Rubidium D) Cesium
B) Calcium
What type of ion do alkali metals typically form when they react with nonmetals?
Cations with a +1 charge
Which alkali metal is used in batteries?
Lithium
True or False: Alkali metals can be stored in water to prevent them from reacting with air.
False
What is the chemical symbol for potassium?
K
Fill in the blank: The alkali metals become ______ in color as you move down the group.
darker
What happens when sodium reacts with water?
It produces sodium hydroxide and hydrogen gas.
Which alkali metal is the heaviest?
Cesium
does reactivity increase or decrease as you go down the group?
increases
which elements?
Hydrogen, lithium, sodium, potassium, rubidium, caesium, francium.
characteristics?
good conductors, shiny when cut, very reactive, low melting points
