C4 Flashcards
What are Group 1 elements called?
Alkali metals
Alkali metals include lithium, sodium, potassium, etc.
How many outer electrons do Group 1 elements have?
One outer electron
What happens to the melting points of Group 1 elements as you go down the group?
They decrease
What type of compounds do Group 1 elements form?
Ionic compounds
How does the reactivity of Alkali metals change as you move down Group 1?
Increases
What occurs when alkali metals are put in water?
They react vigorously
What are Group 7 elements called?
Halogens
How many electrons are in the outer shell of Group 7 elements?
Seven electrons
What type of molecules do Group 7 elements form?
Diatomic molecules
What happens to the boiling points and density of Group 7 elements as you go down the group?
They increase
As you go down Group 7, how does the reactivity of Halogens change?
Decreases
What is a displacement reaction?
A reaction where a more reactive element displaces a less reactive element from its compound
What are Group 0 elements called?
Noble Gases
What is a reactive characteristic of Noble Gases?
They are inert / unreactive
What happens to the boiling point and density of Noble Gases as you move down the group?
They increase
What are the properties of Transitional metals?
Hard, strong, shiny
How do Transitional metals compare to Alkali metals in terms of reactivity?
They are less reactive
What does a lit splint create in a test for Hydrogen?
A squeaky pop
What happens to a glowing splint in a test for Oxygen?
Relights
What does damp blue litmus paper do in a test for Chlorine?
Bleaches white
What occurs when Carbon Dioxide is bubbled through limewater?
It goes cloudy
What color does the flame turn for a Lithium Ion in a flame test?
Red
What color does the flame turn for a Sodium Ion in a flame test?
Yellow
What color does the flame turn for a Potassium Ion in a flame test?
Lilac
