Ions
What is an ion?
A positively or negatively charged atom
Ionic bond is between what and what?
Metal and a non-metal
A covalent bond is between what and what?
Non-metal and non-metal
What bonds do you use prefixes for naming?
Covalent or molecular
How do you know if a compound contains an acid?
Chemical formula starts with H
Chemical name ends in acid
Describe what happens to the valence electrons with a cation.
Valence electrons are lost/transferred
In an ionic bond, what happens with the valence electrons?
They are transferred
In an covalent bond, what happens with the valence electrons?
They are shared
What does the subscript in a chemical formula tell you?
How many atoms of that element there are
Which types of elements will form 2+ ions?
Alkaline Earth metals
What are three characteristics of ionic compounds?
solid at room temperature
High melting point
conducts an electric current when melted
electrically neutral
Oxygen will ___________valence electron(s) when forming an ionic bond
Gain 2
What is the prefix for a Selenium ion with three atoms
Tri
Name the compound: Au2(SO4)3
What rules do you need to use with this?
Gold (III) Sulfate
Adding roman numerals because it's a transition metal.
What does it mean for an ion to have a 1- charge?
The atom has one more electron than proton
Give the ionic name and formula for Sulfur
Sulfide
S2-
Give the name and formula for a bond between magnesium and fluorine.
Magnesium Fluoride
MgF2
What is the name for P2S5
Diphosphorus Pentasulfide
Write the formula for Zinc Sulfide
Zn2S
What family of elements will not bond easily and why?
Noble gases; they have a full octet and do not want anymore valence electrons or need to get rid of any valence electrons.
What determines the charge of a transition metal?
What they bond with.
What is the name of PbCrO4
Lead (II) Chromate
What is the formula for octasilicon trinitride?
Si8N3
Write the name for NH4OH
ammonium hydroxide
What is the formula and name for
NH4+ bonded with PO43-
⪢Ammonium phosphate
⪢(NH4)3PO4