Atomic Structure
What contributes to the mass of the atom?
Neutron and proton
What goes in the middle of a bohr diagram?
What do we draw around our lewis diagram for ions?
Square brackets
What two types of atoms bond to for molecular compounds?
Two non-metals
What two types of atoms bond in an ionic compound?
Metal and a non-metal
What subatomic particle has no charge?
Neutron
What does the column of the periodic tell you for a lewis diagram?
# of valence electrons
Will non-metals gain or lose electrons?
Gain
How are electrons distributed in molecular compounds? (Shared or give/take)
Shared
How are electrons distributed in ionic compounds? (Shared or give/take)
Give/take
Is oxygen gas (O2) an example of a compound?
No
In what pattern should you place your electrons around your element?
One at a time through the four spots (top, right, bottom, left) and then double up if you have more.
What is the charge of an oxygen ion (Group 6 element)?
2-
One shared pair of electrons means _______
(single, double, or triple bond)
Single
True or false
We always have the same number of each element
False
How do you find the number of neutrons in an atom?
Mass - Atomic #
What column of the periodic table always has a full outer valence shell?
Noble gases or period 8
What is a negative ion called?
Anion
What is molecular compounds also frequently called?
How do we know how many of each element is in a compound by its chemical name?
Subscript number says how many
What is the difference between a molecule and a compound?
Compounds must have two different elements where molecules can (but don't have to) be two of the same
Which 1 element (the exception) does not have the number of electrons = column number
Helium
Which elements have multiple different ions?
Transition metals or multivalent
Name one common molecular compound
Many options:
Methane, carbon monoxide, glucose, carbon tetrachloride, and methanol in note
Name one common ionic compound
Many options:
Table salt, quick lime, and magnesia from note