chapeter 5 chemistry mr jones

chemistry
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Terms in this set (...)

electron affintiy
the energy that occurs when an electron is acquired by a neutral atom.
cation
a positive ion
alkaline-earth metals
one of the elements of group 2 of the periodic table
atomic radius
one half the distance between the nuclie of identical atoms that are bonded together
anion
negative ion
actinide
one of the 14 elements with atomic numbers from 90-103
alkali metals
one of the elements of group 1 of the periodic table
transition elements
one of the d-block elements that is a metal, with typical metalic properties
electronegativity
A measure of the ability of a atom in a chemical compound to attract electrons.
periodic table
an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group
halogens
one of the elements of group 17
lanthanide
one of the 14 elements with the atomic numbers from 58 - 71
main-group elements
an element in s- block of P-block
periodic law
the physical and chemical properties of the elements are periodic functions of their atomic numbers
ion
is an atom or group of bonded atoms that has a positive or negative charge
ionization
any process that results in the formation of an ion
ionization energy or first ionization IE
The energy required to remove one electron from a neutral atom of an element
valence electrons
the electrons available to be lost, gained, or shared in the
formation of chemical compound
without looking at the periodic table give the group ,period, and block in which the element with the electron configuration [Kr}5s! is located
Group 1, fifth period, s block
without looking at the periodic table write the group configuration for the group 2 elements
ns²
without looking at the periodic table write the complete electron configuration for the group 2 elements
1s²2s²2p⁶3s²3p⁶4s
without looking at the periodic table , identify the period ,block and group in which the element with the electron configuration [AR]3d⁸4s² is located (A)
forth period , d block group 10
without looking at the periodic table write the outer electron configuration for the group 12 element in the fifth period
4d¹⁰5s²
refer to the periodic table to identify the element described in (a) and to write the elements noble gas notation
CD,[Kr}4d¹⁰fs²
without looking at the periodic table, write the outer electron configuration for the group 14 element in the second period . then name the element , and identify it as a metal, non-metal, or metalloid
the group number is higher than 12, so the element is the p block
the total number of electrons in the highest occupied s and p sublevels is therefore equal tot he group numbers minus ten, 14-10=4. with two electrons in the s sublevel, two eletrons must also be present in the 2p sublevel, giving an outer electron configuration of 2s²2p². The element is carbon, C which is a nonmetal.