Periodic
An element is defined by the number of these.
What are protons?
Name for an atom that has obtained a negative charge.
What is an anion?
An atom of an element with 15 protons, 15 electrons and 16 neutrons has an atomic mass of _____.
What is 31?
the general rule that atoms prefer to have a full valence shell of 8 electrons
octet rule
A covalent bond
What is a bond formed when atoms share electrons
As you go down a group, atomic radius ____.
What is increases?
What is Iron Man?
the periodic table is organized by increasing _______, aka number of protons
What is atomic number?
The name of the ionic compound NaCl
What is sodium chloride?
The elements can be found in the far right group of the periodic table. They are non-reactive.
What are noble gases?
Electrons located in the outermost energy level of an atom are called
valence electrons
elements that are brittle, not shiny, soft, and don’t conduct electricity.
What are nonmetals
As you go across a period, from left to right, atomic radius ____.
What is decreases?
A Bruno Mars song about an expensive metal, often used as currency.
What is gold?
The fundamental building blocks of chemistry (and the world).
What are atoms?
Metals tend to form these types of ions.
What are cations?
scientist who developed the Atomic Theory that we still use today
Who is Dalton? (will also accept Bohr)
On the periodic table, elements in _______ typically have similar chemical and physical properties.
a) trends
b) blocks
c) periods
d) groups
What are groups?
Ionic compounds are good conductors of electricity, but only when ______ or ______. (name one)
What is molten or aqueous?
Who is Linus Pauling?
This clown-faced Iowa band, named after a type of knot, wrote the song Sulfur.
Who is slipknot?
The name for group 1 elements
What are alkali metals?
The formula for calcium fluoride.
What is CaF2?
The most reactive group 1 element.
What is Francium?
The number of electrons Nitrogen needs to fill its valence shell.
What is three?
molecules that share a negative or positive charge, like NH4+, are called ____ ions
What are polyatomic?
You get this when you combine an acid and a base in a chemical reaction.
What is salt (and/or water).
These "siblings", purveyors of electronic music, had a 1997 hit "Block Rockin Beats"
What are the Chemical Brothers?
The name for group 2 elements.
What are alkali earth metals?
What is the proper name for this formula: AlF3
Aluminum fluoride
What is the atomic number?
The number of protons in an element.
The shape of the s subshell
What is spherical?
The formula for magnesium chloride.
What is MgCl2?
Which is more reactive? Beryllium or Lithium?
What is lithium?
Tori Amos song and a period 2 element with four valence electrons, fundamental to life on Earth.
What is carbon?
These elements, generally found on the right side of the periodic table, form anions.
What are non-metals?
Electronegativity
What is a numerical value assigned to elements for their propensity to take electrons (Linus Pauling came up with it)?
The atomic mass of an oxygen atom with 10 neutrons.
What is 18?
What is the number of electrons required to fill the first energy level of an atom?
two
The difference in this determines the ionic character of a compound.
What is electronegativity?
The least reactive group of 1 element. Also a song by grunge rockers Nirvana.
What is lithium?
This English Band, another name for a shrub, wrote "The Chemicals Between Us"
Who is Bush?