Physical Properties
what metals are known for being very soft and can often be cut with a knife
Bananas are famous for containing this alkali metal that helps muscles and nerves work
Potassium
What alkali metal is commonly found in table salt and in ocean water
Sodium
Alkali metals react very quickly with this common substance
Water
What is the Symbol for the element Lithium
Li
what emits a purple flame
Potassium
What alkali metal gives fireworks a yellow color
Sodium
This metal is found in milk, fruits, and vegetables
Potassium
All alkali metals have what number of electrons in their outer shell
one valence electron
Rb
Alkali metals have this appearance when freshly cut
shiny or silvery
What alkali metal is the lightest solid element in the periodic table
Lithium
What alkali metal is often found in minerals deep in the Earth’s crust and is used in batteries
Lithium
This property explains why alkali metals react quickly with water
high reactivity
What element is this: Cs
Caesium
When Li is heated what color flame does it emit
Why are they called alkali metals
they react with water to for strongly basic hydroxide solutions
What metal is used in some kinds of medicine and mood-stabilizing drugs
Lithium
alkali metals are often stored in this liquid to keep them from reacting with air
Oil
What is the Symbol for Sodium
Na
Which have a lower density then water
Lithium, Sodium, and Potassium
What alkali metal reacts so violently with water that it can explode instantly
Rubidium
This alkali metal can be extracted from lepidolite, a lilac-colored mica mineral
Rubidium
What is the name of the compound formed when sodium reacts with water
sodium hydroxide
What element is this: K
Potassium