Periodic Table History, Arrangement, and Trends
The father of the Periodic Table
Who is Dmitri Mendeleev?
This group and type of metal on the periodic table includes magnesium, calcium, and barium
What are alkaline earth metals?
The three classes of elements are these.
What are metals, nonmetals and nonmetals?
Arsenic (As) has 42.
What are neutrons?
Group 13, Period 4
What is Gallium?
Al
Aluminum
Carbon
What is C?
Elements are put into rows by increasing _____
Atomic Number
The vertical columns on the periodic table.
What are groups / families?
The very reactive elements in group 1 are known as this.
What are alkali metals?
The Atomic mass minus the Atomic number =
The number of neutrons of an atom?
Group 16, Period 2
What is Oxygen?
Ni
What is Nickel?
Gallium
What is Ga?
What are the horizontal rows called and how are they numbered?
Periods (1-7)
The elements in group 17 are known as this.
What are the Halogens?
Argon, Krypton, and Xenon are......
What are noble gases?
The electrons in the outermost shell are known as
What are valence electrons?
Group 17, period 4
What is Bromine?
As
What is Arsenic?
Iron
What is Fe?
What are the vertical columns called and how are they numbered?
Groups (1-18)
The nonreactive elements in group 18 are known as this.
What are the noble gases?
The atomic number is equal to this on a neutral atom.
What is the number of protons and electrons?
Atomic number 9
What is fluorine?
Kr
What is Krypton?
Cadmium
What is Cd?
Why are certain elements in the group have similar physical and chemical properties?
They have the same number of valence electrons
What group is the Boron family?
Group 13
This class of elements are good conductors of heat and electric current.
What are metals?
Number of periods on the periodic table.
What is 7?
This noble gas is an exception to the valence electron rule of 8.
What is helium?
Ts
What is Tennessine?
Lead
What is Pb?
The electrons in the outer energy level
What are valence electrons?
What family are Actinides in
What are radioactive elements?
Silicon, Boron, and Tellurium
What are metalloids?
The number of protons in an atom of calcium.
What is 20?
This element has 47 protons, 61 Neutrons and 47 Electrons
What is Silver (Ag)?
Np
What is Neptunium?
Terbium
What is Tb?
Determine which of the following elements have the least to greatest electronegativity: Cl, Mg,Ca,N, and O
What is Ca,Mg,N,Cl and O?
The name of the family for elements #57-71
What are Lanthanides?
These metals contain familiar metals such as Gold, Iron, and Copper
Transition metals
The number of neutrons in an atom of neon with a mass number of 21
What is 11?
Element with 29 protons and 29 electrons.
What is Copper (Cu)?
Gd
Gadolinium
Technetium
What is Tc?