Relative Abundance
The percentage of a particular isotope of an element.
What is relative abundance?
The charge on an electron.
What is -1?
Sulfur-32 has how many neutrons?
16
The three main categories of elements on the periodic table.
What are metals, metalloids, and non-metals?
Mrs. Stoffel's cats :3
Who are Simon & Toad?
The isotope with the highest relative abundance contributes more to this value than the less abundance isotopes.
What is average atomic mass?
The location of protons & neutrons in an atom.
What is the nucleus?
The mass of an atom with 10 protons, 10 electrons, and 9 neutrons.
What is 19 a.m.u.?
The periodic table is organized by increasing order of this value.
What is the atomic number?
The SI unit used to measure length.
What is a meter?
Potassium has 3 isotopes, Potassium-30 with 93.3% Relative Abundance, Potassium-40 with 0.012% Relative Abundance, and Potassium-41.
What is the Relative Abundance of Potassium-41?
What is 6.68% ?
The way to calculate the mass number.
What is # protons + # neutrons?
The most common isotope of Carbon.
What is Carbon-12?
You can find this by adding # protons + # neutrons.
What is the mass number?
The purest form of substance with its own unique properties, and cannot be further separated by chemical means.
What is an element?
Boron has two naturally occurring isotopes: Boron-10 (10.01 amu) and Boron-11 (11.01 amu).
If Boron-10 has a relative abundance of 19.9%, calculate the average atomic mass of Boron.
What is 10.81 amu?
The mass of the neutron or proton.
What is 1 amu?
The # of neutrons in an atom of Oxygen-18.
What is 10 neutrons?
These elements have a full outer shell of electrons and are inert, or non-reactive.
What are the noble gasses?
A change that results in a different substance being made, and is indicated by gas formation, energy transfer, color change, or precipitate formation.
What is a chemical reaction?
Magnesium has three naturally occurring isotopes:
Mg-24 (23.985 amu) with 78.99% abundance
Mg-25 (24.986 amu) with 10.00% abundance
Mg-26 (25.983 amu) with the remaining abundance
Calculate the average atomic mass of magnesium.
What is 24.305 a.m.u.?
This model of the atom, proposed in 1913, depicts electrons orbiting the nucleus in fixed energy levels.
What is the Bohr Model or Planetary Model?
The name of the isotope with 54 protons and 75 neutrons.
What is Xenon-129?
These are the four items listed for each element on the periodic table.
What are atomic number, element symbol, element name, and average atomic mass?
1 x 106
What is 1,000,000?