Valence Electrons
Name that ION
Binary ionic compounds
periodic trends
Take a CHANCE
100
This is the highest occupied orbital for a potassium (K) atom.
What is 4s?
100
This is the 2+ cation formed by an atom of barium (Ba).
What is a barium ion?
100
An ionic compound made up of ions of just one metal and one nonmetal.
What is a binary ionic compound?
100
This is the definition of 1st ionization energy.
What is "energy needed to remove an electron from a neutral atom in the gas state?"
100
The dot structure shown on the board is a general structure for elements in this group.
What is group fifteen?
200
When an atom of aluminum becomes an ion, this becomes the highest occupied orbital.
What is 2p?
200
These are the charge on, and name of the anion formed by an atom of iodine.
What is 1-, and iodide ion?
200
This is the sum of the charges on all ions in an ionic formula.
What is ZERO (equal positive and negative charges, always). (Compounds are neutral. Individual ions have unbalanced charges.)
200
This is the periodic trend across a period for electronegativity.
What is increases?
200
These three elements have the highest electronegativities of any elements on the periodic table.
What are F, O, and N (with 4.0, 3.5, and 3.0 respectively)
300
If an atom of oxygen reacts and forms an ion, it would be isoelectronic with this type of atom.
What is Neon?
300
In a chemical reaction, an atom of phosphorus forms the ___________ ion with a charge of __________.
What is phosphide ion, and charge of 3- (gains 3 electrons)?
300
This is the name of, and the formula for, the ionic compound formed when calcium and bromine react together.
What is CaBr2?
300
These elements form ions by gaining electrons, and the result is that the ions are (larger?smaller?) than their atoms.
What are nonmetals....anion formers....and what is larger than their atoms?
300
Tin(II) nitride has this chemical formula.
What is the name for Sn3N2?
400
This is the number of valence electrons that an atom of silicon, Si, has.
What is FOUR?
400
This is the name for a Cu 2+ ion.
What is copper(II)?
400
The name of the binary ionic compound with this formula is aluminum oxide.
What is Al2O3?
400
This is the reason that cations are smaller than their neutral atoms.
What is because electrons are completely removed from the valence energy level, leaving the highest occupied level closer to the nucleus?
500
This is the number of valence electrons that every Noble Gas has.
What is EIGHT?
500
This is the name for a lead (Pb) ion with a 4+ charge.
What is a lead(IV) ion?
500
This is the name for the compound with the formula, NiCl.
What is nickel(I) chloride?
500
These are the trends across a period, and down a group for effective nuclear charge.
What is increases across a period, and remains the same down a group?
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