GROUP 1 TO 4 MT EXAM Flashcards
(82 cards)
Periodic table is arranged by ______
ATOMIC NUMBER, ELECTRON CONFIGURATION, AND RECURRING CHEMICAL PROPERTIES
Who is the father of modern chemistry?
ANTOINE LAVOISER
He listed 33 elements
ANTOINE LAVOISER
What are the 3 elements included in the elements listed by Antoine Lavoiser?
OXYGEN, SULFUR, HYDROGEN
He proposed a triad
JOHANN WOLFGANG DOBEREINER
What are the triad elements proposed by Johann Wolfgang Dobereiner?
STRONTIUM, CALCIUM, BARIUM
It is also called DOBEREINER’S TRIAD - related properties
LAW OF TRIADS
He had identified TEN TRIADS, THREE GROUPS OF FOUR, ONE GROUP OF FIVE
LEOPOLD GMELIN
The system of Gmelin
GMELIN SYSTEM
He described the relationship between various metals
JEAN-BAPTISTE DUMAS
He is the founder of theory of chemical structure
AUGUST KEKULE
It is the ability of carbon to bond other four elements
CONCEPT OF BENZENE
He described the tendency of carbon to form bond with other four elements
AUGUST KEKULE
He classified 56 elements
JOHN NEWLANDS
LAW OF OCTAVES is proposed by
JOHN NEWLANDS
He arranged the elements on the periodic table based on atomic number but slightly differ from the modern periodic table
JOHN NEWLANDS
They published the periodic table based on increasing atomic mass
DMITRI IVANOVICH MENDELEEV AND JULIUS LOTHAR MEYER
He is the father of periodic table
DMITRI IVANOVICH MENDELEEV
He is the father of modern periodic table
HENRY MOSELY
He arranged the elements on the periodic table by increasing atomic number
HENRY MOSELY
What is vertical in periodic table
Groups/ family, same valence, same properties
What is horizontal in periodic table
Periods/ series, number of shells
Periodic table is composed of __ periods and __ groups
7 periods, 18 groups
It is referred to as representative elements
Groups A (S AND P BLOCKS)
