Ionic

Created by

Priyena

Cards (17)

What does ionic bonding happen between
A metal and a non metal
what type of particle is formed in ionic bonding
ions
how do atoms complete their outer shells in ionic bonding
transferring their outer shell electrons
How do metals become ions
They lose electrons then have a positive charge
metals always for positively charged ions
how do non metals become ions?
They gain electrons then have a negative charge
what is an ion?
is an atom with a electrical charge
Why do metals and non metals transfer their electrons
to gain a full outer shell
What 2 questions do you need to ask to see if something can conduct electricity
-are there charged particles
-can they move through the structure
what is a giant ionic lattice
ionic compounds which have many ions in a repeating structure.
electrons are held together by strong electrostatic forces between oppositely charged ions
what holds atoms together in a giant ionic lattice
strong electrostatic forces between oppositely charge ions
why do ionic compounds have high melting/boiling points?
They are solid at room temp. This is because of the strong electrostatic forces of attraction between oppositely charged ions (ionic bonding). So lots of energy is needed to break them
why can ionic compounds conduct electricity
they can only conduct electricity when molten or dissolved. NOT WHEN SOLID.
ions are free to move and carry a charge in a liquid.
when solid is heated bonds are broken and ions are free to move
what are positive ions called
cations
what are negative ions called
anions
Why are ionic compounds soluble in water
water has a positive and negative end so ionic ions attract and dissolve
what are the 3 physical properties of ionic conpounds
-High melting point
-Conducts electricity
-Soluble in water
what is a molecule
2 or more atoms chemically bonded together