Elements
Stoichiometry
Valence Electrons
Ionic / Covalent
Electron Configurations
100
The element with 1 proton, 0 neutrons, and 1 electron
What is Hydrogen?
100
This is the molecular mass of H2
What is 2 g/mole?
100
This rule states that an atom wants to have the same number of valence electrons as the Noble Gases.
What is the Octet Rule?
100
Is the following ionic or covalent and then say the formula: Sodium oxide
IONIC, Na2O
100
This is the order of orbitals from 1s to 5s
What is 1s 2s 2p 3s 3p 4s 3d 4p 5s?
200
This element is an alkaline earth metal with 12 electrons in the ground state.
What is magnesium?
200
This is the molecular mass of CO2
What is 44 g/mol?
200
This element has 7 valence electrons, and in its ionic form would look similar to neon
What is fluorine?
200
Is the following ionic or covalent and then say the name: K3N
IONIC, Potassium nitride
200
This element has an electron configuration of 1s2 2s2 2p6 3s2 3p6 4s1
What is Potassium?
300
This element is necessary for our respiratory system to function. It has 10 protons.
What is oxygen?
300
144 g of H2O is this many moles of water.
8 moles of H2O
300
Francium has this many valence electrons.
What is 1 valence electron?
300
Is the following ionic or covalent and then say the formula: Carbon monoxide
COVALENT, CO
300
This is the error in the electron configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2
What is 3d comes after 4s?
400
This is the element in group 7, period 6.
What is rhenium?
400
Balance the following reaction: Mg(OH)2 + H3PO4 --> Mg3(PO4)2 + H2O
3 Mg(OH)2 + 2 H3PO4 --> 1 Mg3(PO4)2 + 6 H2O
400
Ions are atoms that have lost or gained electrons. This is the type of ion that has lost electrons.
What is a cation?
400
Is the following ionic or covalent and then say the formula: Iron (III) chloride
IONIC, FeCl3
400
This is the electron configuration for Silver.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9?
500
The electron configuration for this element is 1s2 2s2 2p6 3s2 3p6 4s2 3d7 What element is this?
What is cobalt?
500
In this reaction: Mg(OH)2 + H3PO4 --> Mg3(PO4)2 + H2O, you use 14 g of Mg(OH)2 and 14 g of H3PO4, which compound is your limiting reagent? (5 min)
14 g H3PO4
500
Draw the complete Lewis Dot Diagram for the oxygen ion, [O 2-]
http://bit.ly/1ihYIvn
500
Is the following ionic or covalent and then say the name: NH4 Cl
IONIC, Ammonium Chloride
500
This is the full electron configuration for Krypton.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
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