Tells us the number of electrons an atom contains
What is the atomic number?
Electrons sharing an orbital have a(n)...
What is opposite spin?
Increases as you move up and to the left of the periodic table
What is Electronegativity?
The time it takes for half a sample of an element to decay
What is half life?
The only group on the periodic table where all elements are already chemically stable.
What is group 18 (the noble gases)?
Not included in calculating atomic mass
What is an electron?
The Electron configuration for Lithium
What is 1s22s1?
The most electronegative element
What is fluorine?
A sample has a half life of 1 week. After 3 weeks, _____% of the original sample remains.
What is 12.5%?
Will always bond with group 1 elements
What are the halogens/group 17 elements?
The particle that sets apart isotopes carbon-12, carbon-13, and carbon-14
What are neutrons?
Says electrons fill a sublevel with a spin UP first before an opposite spin electron will fill that orbital orientation.
What is Hund's Rule?
Elements in the same group have similar...
What are chemical properties?
A 30 gram element sample has a half life of 7 days. After 21 days, ______ grams of the sample remain.
What is 7.5 grams?
Nitrogen doesn't usually bond with metals because...
It needs more than 2 valence electrons to be stable
The maximum number of electrons each of the first four energy levels can hold.
What is 2, 8, 18, and 32?
1s22s22p63s23p64s23d104p65s24d3
What is the electron configuration for Bromine?
INcreases as you move down and to the left on the periodic table
What is atomic radii?
A 50 gram sample has a half life of 3 days. After going through several half lives, only 3.125 grams remain. The sample has gone through _____ half lives.
What is 4?
Number of neutrons in an atom of Arsenic
What is 42?
The number of particles you would need to display in the nucleus of isotope Carbon-13
What is 13?
Electron configuration for Titanium
What is
1s22s22p63s23p64s23d2
These elements have an electronegativity of zero
What are the noble gases/group 18?
A 100 gram sample goes through 4 halflives. After 52 days, 12.5 grams of the original sample remain. The half life of the element sample is _______.
What is 13 days?
Silicon and Germainium are metalloids, Carbon is a nonmetal, Tin, Lead, and Felurovium are metals, but they have this in common
What is the same number of valence electrons?