Lewis dot notation
1 valence electron
When an element loses an electron, what charge does it have?
positive charge
How do ionic compounds form?
How many valence electrons does Bromine (Br) have?
7 Valence electrons
When one atom transfers one or more valence electrons to another atom, what is formed?
Ionic bond
(True are false)
True
How many dots would you put around the element Polonium (Po) in Lewis dot notation?
6 dots
(rue or false) Bonds that share electrons are ionic bonds.
False
What is the chemical name for the compound with the formula Na₂S?
Sodium sulfide
What type of elements have 8 valence electrons?
What type of elements have 8 valence electrons?
Ions that are made of more than one atom is called what?
Polyatomic Ions
In the chemical formula for an ionic compound, which item is written first?
Positive ion
How many valence electrons do Alkaline earth metals have?
2 valence electrons
Why do Ionic bonds form?
Two ions of different charges are attracted to each other.
When ions having a positive charge form bonds with ions having a negative charge, what charge is the resulting compound?
It has a neutral charge.