Ionic Bonds
MgO
Magnesiun oxide
When an atom loses a valence electron, it becomes?
a positive ion
K2S
a potassium ion has a charge of 1+. A sulfide ion has a charge 2_
ion
an atom w. an electic charge
Which is most likely to form a negative ion?
an element from group 17
polyatomic ion
an ion composed of more than an atom
ionic bond
attraction b/w 2 oppositely charged ions
ionic componds
compound that consists of positive and negative ions
In an ionic compound, the total positive charge of all the positive ions ------ the total negative charge of all the negative ions.
equals / is the same as
negative ions form when atoms what?
gain/ add/ take in valence electrons.
In order to have a stable arrangement of 8 valance electrons, metal atoms are likely to what?
give up or lose an electron
Because of the force of attraction between the positive and negative ions is so strong, ionic compounds have?
high melting points.
The attraction between oppositely charged ions is called what?
ionic bond
What is a metal atom most likely to do?
lose/ give up or transfer valence electrons.
Which of the following is the correct name for MgCl2?
magnesium chloride
ionic bonds form between two ions that have what?
opposite charges
Ionic compounds form because?
opposites attract
ions that are made of more than one atom are called?
polyatomic atoms
chemical formula
symbols that show the ratio of elements in a compound.
An ion is an atom or group of atoms that has an electric charge
true
