Periodic Table Trends
Horizontal rows are called period.
Vertical rows are called group.
True / False
True
basic
Group 1 metals are called _____________
alkali metal
Group 17 elements are called?
Group 0 elements are called
Noble gases
Period number shows the number of ____________
in an atom.
electron shells
Zinc oxide
Aluminium oxide
Lead oxide
Group 1 metals have _____ outermost electron
1
Group 17 ions form ___________ charge ions
-1
Name 3 noble gases and why are they unrreactive.
He, Ne and Ar
They have full electronic shell config
An element has 6 outermost electrons. It belongs to group ______
16
1) more acidic?
2) more basic?
more basic
Group 1 is called alkali metal because ___________
Alkali is produced when react with water
Group 17 elements form ___________ molecules because it has 7 outermost electrons.
diatomic
Unlike halogens which form diatomic molecules.
Noble gases form ____________ atoms.
Monatomic
An atom of an element has 3 valence electron and 3 electron shell.
What is the electronic configuration of this atom?
2,8,3
Use the Periodic Table to determin what type of oxide will this element form.
Ca
basic oxide
Reactivity ____________ down the group.
______ is the most reactive alkali metal
Increases
Francium
Will displacement take place when chlorine reacts with sodium bromide?
If yes... what are the products form?
Yes.
bromine and sodium chloride
Which is the lightest noble gas?
Helium
An element has 2 outermost electron and 3 electron shells.
What element is this?
MAgnesium
Elements that form amphoteric oxides are usually found in
1) left side
2) Right side
3) Middle
of Periodic Table
middle
When potassium reacts with water ______ and ______is produced
potassium hydroxide and hydrogen gas
What is the colour change when fluorine is bubbles into potassium iodide solution?
colourles to ____________
brown
___________ is used to make decorative lights
Neon