Element Symbol
What is Iron?
Fe
(True or False) The shape and arrangement of the periodic table directly reflects the electron structure of the atoms composing the elements?
True
A table of the chemical element arranged to display their periodic properties in relatiion to their atomic number
periodic table
What is Rn?
Radon
Neon, Argon and Chlorine are what?
noble gases
What is Helium?
He
What did scientist discover when they began to organize the elements?
discovered the concepts of periodicity of elements and their physical and chemical properties
An element whose properties lie between those of metals and nonmetals
metalloid
What is Kr?
Krypton
Titanium, Cobalt, and Gold are what?
Transition metals
What is Maganese?
Mn
State the modern periodic law.
properties of elements that vary with the atomic numbers in the periodic table
A group 18element; it has a full outer energy level
noble gas
What is Xe?
Xenon
Lithium and Postassium are what?
alkali metals
What is Bromine and Tin?
Br and Sn
Classify the following elements according to the region of the periodic table they occupy:
A) Calcium
B) Silicon
C) Oxygen
A) Noble gas
B) Metalloid
C) Nonmetal
An element to the left of the heavy stair-step line in the periodic table; an element that is typically a solid, malleable, ductile, and lustrous
metal
What is I, Zn, Ag
Iodine, Zinc, and Silver
Barium and Radium are what?
Alkaline earth metals
What is Calcium, Sodium, and Iridium?
Ca, Na, and Ir
A table of the chemical element arranged to display their periodic properties in relatiion to their atomic number
periodic table
Has 1 valence electron; A group 1
alkali metal
What is Cu, Ni, , B, and As
Copper, Nickel, Boron, and Arsenic
Boron, Carbon, Nitrogen, Oxygen, Florine, and Sulfur are what?
other non metals