Periodic Table of Elements Questions
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The number of valence electrons in each atom of an element affects the element's__________.1) chemical property 2) number of isotopes3) decay mode 4) half-life
which scientist is credited with the current periodic table arrangement?
Which diagram correctly shows the relationship between electronegativity and atomic number for the elements of Period 3?
The modern periodic table was developed by Henry Moseley. Mendeleev left "gaps" in his periodic table to account for missing elements.
"Atomic radii decrease across a period from left to right because of the increase in proton number in the nucleus."
As the Group 1 (IA) elements of the periodic Table are considered from top to bottom, the first ionization energy of each successive element decreases. One reason for this is that the
Which group of the PT has electron configurations the end in ____s2 ____p5?
Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to atoms'
Which element in Group 15 would most likely have luster and good electrical conductivity?
Which element within any given period of the Periodic Table would always have the lowest first ionization energy?
Of all the elements, the one with the highest electronegativity is found in Period
The radius of anions tends to be larger than the radius of cations.
As the atoms of the elements in Group 16 (VIA) are considered in order from top to bottom, their electronegativities
The atoms of which element in Group 16 (VIA) of the Periodic Table have the greatest tendency to gain electrons?
As the elements in Group 2 (IIA) of the Periodic Table are considered in order from top to bottom, the number of electrons in the valence shell
Which of the Group 15 (VA) elements can lose an electron most readily?
Which of the following Group 17 (VIIA) elements has the highest melting point?
In the modern Periodic Table, the elements are arranged in order of increasing
As the elements in Group 2 (IIA) of the Periodic Table are considered from top to bottom, the chemical reactivity of each succeeding element generally
Which Group 15 (VA) element has the most metallic character?