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chemistry

periodic table

QuestionAnswer
An element with partially filled d sublevel in the ground state is classified as ? transition metal
Which element is considered malleable (metal) GOLD, sulfar ,radon,hydrogen,
Atoms of metallic elements tend to lose electrons and form positive ions
Which of the following group 15 elements has the greatest metallic character nitrogen,antimony, BISMUTH, phosphorus
The element in Period 4 and Group 1 of the periodic table would be classified as a metal
which of these elements is the best conductor of electricity Ni
The elements located in the lower left corner of the periodic Table are classified as metals
Which substance can NOT be decomposed by ordinary chemical means mercury
Which element is a liquid at STP and has low electrical conductivity bromine
Which characteristics describe most nonmetals in the solid phase They are brittle and lack metallic luster
Which element is most likely a nonmetal high ( ionization energy and Electronegativity) low (conductivity of heat and electricity)
A characteristics of a nonmetal high electronegativity
Which group in the periodic table contains elements that are all monatomic gases at STP 18
Which ion has the largest radius K
The element in Group 14, period 3 on the periodic table is classified as a metalloid
which group contains elements in three phases of matter STP Group 17
Element X is a solid that is brittle, lacks luster, and has six valance electrons. In which group on the periodic table would element X be found 16
what determines the order of placement of the elements of the modern periodic table atomic number
Which list of elements contains a metal,a metalliod ,and a nonmetal Cd, Sb, I
At STP, solid carbon can exist as graphite or as diamond. These two forms of carbon have different properties and have different crystal structures
In comparison to an atom of 19,9F in the ground state, an atom of 12,6C in the ground state has three fewer valance electrons
which set of symbols represents atoms with valence electrons in the same electrons shell Sr,Sn,I
Which species does not have a noble gas electron configuration S
F -> +1 = F fluoride ion, which is larger in radius than a fluorine atom
what is total number of electrons in a S2- 18
which lewis electron-dot structure is drawn correctly for the atom it represents Ne (4 sets of two dots on each side top,bottom,and sides)
Aqueous solutions of compounds containing element X are blue. Element X could be copper
what is the order of group 15 on the periodic table in from top to bottom metallic properties increase and their atomic radii increase
what element has the strongest attraction for electrons OXYGEN, sulfur, boron
which element in period 4 is classified as an active nonmetal Br
which element in period 3 exists as diatomic molecules at STP chlorine
The ionization energy of each element decreases because ? increasing radius and increasing shielding effect
Created by: nijahgenesis
 

 



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