Atomic Structure & Contributing Scientists
Periodic Table Trends
Electron Configuration
Radioactivity
Physical/Chemical and Phase Changes
100
Name the 3 main subatomic particles in an atom
proton, neutron, electron
100
Elements in the same family are known to share this property with valence electrons
They have the same number of valence electrons
100
When writing a short-hand electron configuration code, what symbol is used within brackets?
The chemical symbol of the Noble Gas that comes right before it
100
What kind of radioactive particle is basically an electron?
beta particle
100
Is rusting a physical or chemical change?
chemical
200
The atomic number tells you the number of ____________ in an atom
protons
200
The Periodic Table consists mainly of ____________ (metals, nonmetals, semimetals_
metals
200
Which orbital comes next in this series: 1s2 2s2 2p6 _____
3s2
200
This kind of radioactive particle was used in the gold foil experiment
alpha particle
200
This term describes when a substance goes from a solid to liquid phase
melt
300
This scientist organized the Periodic Table of Elements by increasing atomic number
Dmitri Mendeleev
300
Name the two families that have f orbitals
Lanthanides and Actinides
300
What does Aufbau's principle state?
Electrons will populate orbitals in increasing order
300
This kind of particle is similar to a helium atom, except the particle lacks electrons
alpha particles
300
This term describes when a chemical goes from a gas to liquid phase
condense
400
This scientist's experiment blasted alpha-particles, which resulted in the discovery of the nucleus
Rutherford
400
Electronegativity increases as you go left to right and ________ to ___________ in the Periodic Table
down to up
400
Write the electron configuration code (long code) for Fe (26 protons)
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d6
400
This kind of particle does not bend when a magnetic field is applied
gamma particle
400
When water is boiled to make soup, is it a chemical change or a physical change?
physical change
500
What kind of ion has a negative charge?
Anion
500
Atomic radii increase as you go top to bottom and _______ to ___________ in the Periodic Table
right to left
500
How many valence electrons are in this atom? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
7
500
The most dangerous type of radioactive particle is ______
gamma particle
500
What is sublimation?
When a chemical goes from a solid to a gas
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