An atom in which the total number of electrons is not equal to the total number of protons
What is an ion
100
The exception to using prefixes to say the number of each element in a compound
What is if there is only 1 of the first element
100
Matter has _____ and occupies space (_____)
What is mass and volume
200
Covalent bonds are when ____ are shared.
What are electrons
200
When electrons are transfered
What is an ionic bond
200
The imbalance of electrons and protons give an ion a net _____ or _____ electrical charge
What is positive or negative
200
Covalent naming prefixes for
1
2
3
4
5
What is
1 - Mono
2 - Di
3 - Tri
4 - Tetra
5 - Penta
200
Capacity of a physical system to "do work"
What is energy
300
Name for the covalent compound H2O
What is dihydrogen monoxide
300
Chemical formula for the ionic compound Iron(II) & Nitrogen
What is Fe3N2
300
A positively charged ion, formed when an atom loses one or more electrons
What is a cation
300
Covalent naming prefixes for
6
7
8
9
10
What is
6 - Hexa
7 - Hepta
8 - Octa
9 - Nona
10 - Deca
300
The difference between endothermic and exothermic
What is endothermic ABSORBS ENERGY while exothermic RELEASES ENERGY
- Endothermic - ENter
- Exothermic - EXit
400
In covalent bonding, there are no ___.
What is ions
400
In ionic bonding, electrons are transferred from the ____ to the ____. These two bond together because they have ____ charges.
What is cation, anion, and opposite
400
An ion that has a larger atomic radius
What is an anion
400
When atoms share electrons, the electrons count as part of the ______ _____ for both atoms.
What is valence shell
400
5 (in order) structures that show the development of atomic theory
HINT: Dalton
What is
1.) Dalton's Solid Sphere
2.) JJ Thompson's Plum Pudding Model
3.) Ernest Rutherford's Nuclear Model
4.) Niels Bohr's Model
5.) Quantum Mechanical Model (AKA Electron Cloud)
500
Lewis Dot Structure for dioxide
What is :Ö = Ö:
500
3 of the 4 properties of Ionic Compounds
What is
- They are hard and brittle.
- They form from crystals.
- They have a very high melting point.
- They conduct electricity when liquid or dissolved.
500
The Lewis dot structure for an ion that would form from Calcium (Ca)
What is
Ca (one dot to the right, one dot on top)
[Ca]2+
500
When naming covalent compounds, the element ___ ___ _____ ___________ goes first.
What is "with the lower electronegativity"
500
The trend on the periodic table that excludes noble gases