Electron Configuration
What is the electron configuration for Li?
What is 1S22S1?
What four letters represent the subshells?
What is S,P,D and F?
What differs between isotopes of the same element?
What is the number of neutrons?
The part of an atom that has a positive charge?
What is a proton?
The part of an atom that has a positive charge?
What is a proton?
What is the Electron Configuration of F?
What is 1S22S22P5?
How many electrons can a S subshell have?
What is two electrons?
What is the number that always stays the same for isotopes of the same element?
What is the number of protons?
What are the two sub-atomic particles that make up the nucleus?
What is protons and neutrons?
The two sub-atomic particles that make up the nucleus are?
What are protons and neutrons
What is the electron configuration of Al3+?
What is 1S22S22P6?
How many electrons can a P subshell have?
What is six electrons?
How are the following three atoms related: C-11, C-12, C-13
What is all three isotopes of carbon?
What is the same number of protons?
Which of the following identifies the 1s peak for the Fluorine atoms and provides the best explanation:
A. The peak at lower binding energy, because F has a greater nuclear charge than C.
B. The peak at lower binding energy, because F has a smaller atomic radius than C.
C. The peak at higher binding energy, because F has a greater nuclear charge than C.
D. The peak at higher binding energy, because F has a smaller atomic radius than C.
What is answer choice C?
These two numbers are always equal and never change?
What is atomic number and number of protons?
What is the electron configuration of Ti2+?
What is 1S22S22P63S23P63P2?
How many electrons can a D subshell have?
What is ten electrons?
How many neutrons does Gold-197 have?
What is 118 neutrons?
These two numbers are ALWAYS equal and never change:
The part of an atom that contains energy levels around the nucleus?
What is an electron cloud?
What is the electron configuration of Ni?
What is 1S22S22P63S23P64S23D8?
How many electrons can an F subshell have?
What is fourteen electrons?
The mass number of a lead isotope with 125 neutrons?
What is 207?
If the binding energy of an electron is between 0-10 eV, it can be assumed that the electron originated in?
What is a valence orbital?
A student obtains a sample of pure solid compound. In addition to Avogadro's number, which of the following must the student know in order to determine how many molecules are in the sample?
A. Mass of sample and volume of sample
B. Mass of sample and density of sample
C. Molar mass of compound and mass of sample
What is C, molar mass of the compound, mass of the sample?
An unknown element X has a mass number of 56 and forms an ion X3+ in its ground state, the X3+ ion contains 5 unpaired electrons.
Determine whether the neutral atom of element X is diamagnetic or paramagnetic?
What is paramagnetic?
A neutral gaseous atom of an unknown element X, has a ground state electron configuration ending in a half filled subshell. When this atom loses it's valence electrons to become an ion with a charge of +3, it contains exactly 3 unpaired electrons.
Identify the two possible elements for element X?
What is Cr and As
A 23 gram sample of a compound contains 12 grams of C, 3 grams of H, and 8 grams of O2. Which of the following is the empirical formula of the compound?
A. CH3O
B C2H6O
C C3H9O2
D C4H12O2
What is D?
What is element K?
Although, both the S atom and the S2- ion contain 16 protons, which species has a larger radius?
What is the sulfide ion, S2-