The Periodic Table Question Preview (ID: 16428)
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Newlands organized the known elements in 1865 by developing what theory?
a) Law of Atoms
b) Law of Octaves
c) Law of Quartets
d) Law of Triplets
Dmitri Mendeleev's Periodic Law states that chemical and physical properties repeat themselves in groups of ____.
a) 4
b) 8
c) 12
d) 16
What scientist determined that atomic mass did not determine the pattern of the periodic table?
a) James Watson
b) Henry Moseley
c) Rosalind Franklin
d) Dmitri Mendeleev
Henry Moseley organized the periodic table by
a) atomic weight
b) atomic number
c) electronegativity
d) overall charge of atoms
What enabled Moseley to determine the number of electrons in atoms of particular elements?
a) He measured the mass of a given volume of the element
b) He measured the temperature of the element in an bath
c) He measured the different wavelenghts emitted by the elctrons of the elements using x-rays
d) He measured the voltage passing through an element connected to a circuit
Periods on the periodic table are arranged
a) in horizontal rows
b) by order of density
c) in vertical columns
d) in no particular order
Groups on the periodic table arranged
a) in horizontal rows
b) by order of density
c) in vertical columns
d) in no particular order
A halogen is example of a(n)
a) nonmetal
b) alkali metal
c) transition metal
d) alkaline-earth metal
The nobel gases are located in which column of the periodic table?
a) 1
b) 6
c) 9
d) 18
A salt could be formed by an alkali metal and a(n)
a) A halogen
b) metalloid
c) transition metal
d) alkaline-earth metal
The atomic radius refers to the distance from the nucleus of an atom to
a) its proton cloud
b) its electron cloud
c) its neutron cluster
d) the nueclus of another atom
Atomic radius
a) increases across a period and increases down a group
b) decreases across a period but increases down a group
c) increases across a period but decreases a group
d) decreases across a period and decreases down a group
Theamount of energy it takes to remove an electron from an atom is
a) atomic energy
b) electronegativity
c) ionization energy
d) electromagnetic energy
The opposite of ionization energy is
a) atomic energy
b) electronegativity
c) molecular energy
d) electromagnetic energy
Electronegativity
a) increases across a period and increases down a group
b) decreases acoss a period and increases down a group
c) increases across a period and decreases down a group
d) decreases across a period and decreases down a group
Of the elements Fe, Hg, U, Te, and Y, which is considered a Group A element?
a) Fe
b) Hg
c) Te
d) Y
Of the elements Pt, Sc, V, and Kr, which is a nonmetal?
a) Kr
b) Pt
c) Sc
d) V
What is each vertical column of elements in the periodic table called?
a) row
b) list
c) group
d) period
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