Atomic Structure
This scientist demonstrated the existence of neutrons, completing the modern model of the atom.
Who is Chadwick?
He arranged the periodic table by atomic mass and predicted missing elements.
Who is Mendeleev?
This type of bond involves a transfer of electrons.
What is an ionic bond?
The 5 signs of a chemical reaction.
What are temperature change, color change, effervescence, formation of precipitate, and smell?
The only letter of the alphabet that HAS NEVER appeared on the periodic table.
What is J?
His “plum pudding model” described electrons embedded in a positive sphere.
Who is Thomson?
The name of the family of elements in Group 2 on the periodic table.
What is Alkaline Earth Metals?
The name of the compound N2F4
What is dinitrogen tetrafluoride?
The coefficients of the equation:
_Al + _O2 --> _Al2O3
What is 4, 3, 2 ?
The approximate number of atoms in the human body.
What is 7 x 1027 (7 octillion)?
This subatomic particle determines the identity of the atom.
What is the proton?
This periodic trend decreases across a period and increases down a group.
What is atomic radius?
A molecule with 3 bonding pairs and 1 lone pair has this molecular geometry.
What is trigonal pyramidal?
The reaction type of: 2H₂O → 2H₂ + O₂
What is decomposition?
The most abundant element in the universe.
What is hydrogen?
The mass of at atom of iron with 32 neutrons.
What is 58 amu?
Give the noble-gas configuration for sulfur.
What is [Ne] 3s² 3p⁴?
The name of the compound FeCl3
What is iron (III) chloride?
The products of calcium + zinc chloride
The only element besides Mercury that is a liquid under standard atmospheric conditions.
What is Bromine?
The average atomic mass of an element with 75% X-14 and 25% X-15.
What is 14.25 amu?
How the radius of the Chlorine atom changes when it becomes an ion.
(increases / decreases)
What is increases?
The name of the compound Pb(SO4)2
What is lead (IV) sulfate?
The products of sodium phosphate + calcium chloride.
What is calcium phosphate and sodium chloride?
The university Mrs. Grammer studied chemistry.
What is Texas A&M?