History of Periodic Table
Periodic Trends
Element Identification
Elemental Groups
Electron Configuration
100
This is the scientist who arranged elements into triads based on similarities in properties
Dobbereiner
100
What is the distance from the center of an atom's nucleus to its outer most electron?
Atomic Radius
100
What is the name of element number 106?
Seaborgium.
100
What is the special name given to Group 1 elements?
Alkali Metals
100
What does the term "orbital" mean?
region around the nucleus where there is a high probability of finding an electron
200
who is credited for arranging the periodic table by atomic number?
Moseley
200
What is the term that refers to the energy need to remove an atom's electron?
Ionization Energy
200
What element has an atomic mass of 238.
U, Uranium
200
what is the special name given to elements like Fluorine, Chlorine, Bromine etc.?
Halogens
200
1S^2 is the electron configuration of what element?
Helium
300
How is the periodic table arranged today?
By atomic number.
300
What is the name of the term when an atom can dissolve in water?
Solubility
300
What is the name of the element with the elemental symbol Zr?
Zirconium
300
Group 2 elements are also known as____________
Alkaline earth metals
300
What is the electron configuration of Neon?
1S^2 2S^2 2P^6
400
Dmitri Mendeleev classified elements according to their atomic __________?
Weight
400
atomic radius of which one is bigger Ca2+ or Ca?
Ca
400
Which element has 42 as its atomic number?
Mo, Molybdenum
400
Which elements belong in the Carbon Group?
Carbon (C), Silicon (Si), Germanium (G), Tin (Sn), and Lead (Pb)
400
Using the "Noble Gas Shortcut", what is the electron configuration of sodium?
[Ne] 3S^1
500
Seaborg is credited for what?
Discovering transuranium elements pulling out the inner transition elements to the bottom
500
Ionization energy ____________ as you go from left to right across a period and ___________ as you go from top to bottom of a family.
Increases, decreases.
500
What element has the elemental symbol Uuu?
Unununium
500
He, Ne, Kr, Xe etc belong to which special group?
Noble gases
500
What does the electron configuration of an element reveal about that element?
How the electrons are arranged in an atom.
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