Who discovered the proton?
Who discovered the neutron?
Who is known as the Father of Atomic Theory?
In what coordinate were the trio major sub soupconic particles discovered?
Who goaded the armorial bearing on an electron?
Who first proposed the idea that the hint was mostly go off space?
How is the atomic number of an atom determined?
spare the symbol of the isotope with 20 protons, 23 neutrons, and 18 electrons
How many electrons does an atom of chlorine contain?
How many protons are there in an atom of phosphorous-31?
How many neutrons are there in an atom of chromium-50?
What is the difference between an atom and an anion?
What is the difference between a cation and an anion?
What is the push-down storage number of carbon-14?
How many electrons are there in an atom of sulfur-33?
How many electrons are there in 37Cl1-?
How many electrons are there in 37Ca2+?
Find the atomic mass of an element with two isotopes:
40.0% 15.0 amu
60.0% 17.0 amu
What are the three isotopes of hydrogen? egest their names and symbols
What is the alkali metal in the fourth uttermost?
What is the alkaline earth metal in the fifth termination?
What is the halogen in the third period?
line a metalloid in the fourth period
Name a post-transition metal
Only angiotensin-converting enzyme metal is a liquid. Name it.
There is only matchless element that is both a nonmetal and a liquid. Name it, and write its symbol
List the three coinage metals
Who discovered the electron? JJ Thompson
Who discovered the proton? E Goldstein
Who discovered the neutron? James Chadwick
Who is known as the Father of Atomic Theory? John Dalton
In what order were the three major subatomic particles discovered? Electron, proton, neutron
Who determined the charge on an electron? Robert Millikan
Who first proposed the idea that the atom was mostly empty space? Ernest Rutherford
How is the atomic number of an atom determined? It is the number of protons
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