Atoms
What is the middle of an atom called?
What is a characteristic property of metals that makes them good for making saucepans?
They are good conductors of heat
What common non-metal element is essential for life?
Oxygen
What types of elements form positive ions?
Metals
What is the formula for sodium chloride?
NaCl
What is a proton?
A positively charged particle
Name a common metal that is used in electrical wiring.
Copper
Which side of the periodic table do we find non-metals?
On the right
What is an ionic bond?
An electrostatic force between positive and negative ions.
MgO
What is the mass of an electron?
So small we ignore it!
How do metals get a "full outer shell"?
Metals lose electrons to form cations.
Which non-metal compound contains only hydrogen and oxygen?
Water
What is the role of electron transfer in ionic bonding?
One atom (metal) loses electrons while another atom (non-metal) gains them.
What is the formula for calcium fluoride?
CaF2
What does atomic number tell us?
What is the word that means a metal can be drawn into a wire?
Ductile
How to non-metals achieve noble gas configuration when they react with a metal?
Attracting (taking) electrons from the metal
Why are ionic compounds brittle?
When a force is applied, ions of like-charge align and repel each other.
What is the formula for sodium oxide?
Na2O
Atomic mass - atomic number
What is the suffix that tells us an element is a metal?
~ium
Why are non-metals poor conductors of electricity?
They don't have mobile electrons.
What is an ionic lattice?
A structure of repeating positive and negative ions in a regular arrangement.
What is the formula for aluminium oxide?
Al2O3