Show:
Atoms
Relative atomic Mass
Electron Configurations
Isotopes
Scientists
100
This subatomic particle is neutral.
What is neutrons?
100
Relative atomic mass is an __________ of the mass of all atoms of that element
What is average?
100
What are the locations where electrons are most likely to be found called?
What are orbitals?
100
What differs between isotopes of the same element
What is number of neutrons?
100
This scientist discovered the electron
Who is Thompson?
200
This subatomic particle is not counted in the atomic mass.
What are electrons?
200
The instrument used to determine relative atomic mass
What is a mass spectrometer?
200
What is the extended configuration for Fluorine?
What is 1s2,2s2,2p5?
200
We identify isotopes by this number.
What is mass number?
200
This scientist gave us the first atomic theory
Who is Dalton?
300
This is the name for both protons and neutrons.
What are nucleons?
300
An element has 3 isotopes (78, 80, 85) and the atomic mass is 78.5 Which element has the highest abundance?
What is 78?
300
What is the extended electron configuration for Calcium?
What is 1s2,2s2,2p6,3s2,3p6,4s2?
300
Unstable isotopes emitting radiation
What are radioisotopes?
300
This scientist discovered neutrons?
Who is Chadwick?
400
This number is the same for all atoms belonging to the same element.
What is atomic number?
400
What is the relative atomic mass of an element with two isotopes X-15 (80.0%) and X-17 (20.0%)?
What is 15.4 amu?
400
What is the condensed configuration for Chlorine?
What is [Ne]3s2,3p5?
400
How many neutrons does Gold-197 have?
What is 118 neutrons?
400
This scientist told us that electrons fill up all up-spins at the same sublevel first.
Who is Hund?
500
Rutherford used these particles to establish his atomic theory
What is alfa-particles?
500
What is the relative atomic mass of an element with 3 isotopes: Y-12 (90.0%), Y-15 (5.6%), Y-10 (4.4%)?
What is 12.08 amu?
500
What is the condensed configuration for iron (Fe)?
What is [Ar]3d6, 4s2?
500
How many neutrons does Hassium-269 have?
What is 161?
500
This "principle" in electron configurations is not named after a scientist.
What is Aufbau principle?