Scientists
Discovered electrons
Who is Thomson?
What is atomic number?
Metal/Nonmetal/Metalloid?
Zn
What is a metal?
Number of protons and electrons in an atom of Antimony.
What is 51 and 51?
Symbol of Boron with 5 neutrons.
What is 10B?
5
First scientist to propose the existence of atoms.
Who is Dalton?
Positive ion.
What is a cation?
The group number and name of Chlorine.
7A, Halogens
The charge on iron with 24 electrons.
What is +2?
Symbol of Uranium-239.
What is 239U?
92
Greek philosopher that had the idea of atoms.
Who is Democritus?
The sum of the protons and neutrons in the nucleus.
What is the mass number?
Metal/Nonmetal/Metalloid?
Si
What is a metalloid?
Charge on an hydrogen ion?
What is +1?
Number of neutrons in Mo-98.
What is 56?
Discovered the nucleus.
Who is Rutherford?
Negative ion.
What is an anion?
Group number and name of Calcium?
What is 2A and an alkaline earth metal?
Charge on Krypton with 36 electrons?
What is no charge or neutral?
The whole number the average atomic mass of an element with 45.078 amu isotope that is 9.5% abundant and 46.988 amu that is 90.5% abundant is closest to.
What is 47 amu?
Expected findings of Rutherford's experiment.
What are particles should have gone straight through?
The same element with a different number of neutrons.
What is an isotope?
Metal/Nonmetal/Metalloid?
Xe
What is a nonmetal?
What is 46?
The average atomic mass of an element with 45.078 amu isotope that is 9.5% abundant and 46.988 amu that is 90.5% abundant.
What is 46.81 amu?