unit six Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
unit six | |
periodic law | when elements are arranged in order of insreasing atomic number, there is a periodic repetition of their physical and chemical properties |
metals | high luster,good conductors of heat and electricity, can reflect light b/c of luster/ sheen, solid at room temp. except for mercury(Hg), malleable and ductile |
nonmetals | poor conductors of heat and electric current. Carbon =exception, solid nonmetals brittle(break when hit w/ hammer) |
metalliod | properties similar to both metals and nonmetals. may behave like either depending on condition |
alkali metals | group 1A see periodic table |
alkaline earth metals | group 2A see periodic table |
halogens | non metals group 7A see peiodic table |
nobel gasses | stable rarely take part in a reaction also called inert gasses group 8A see periodic table |
representative elements | groups 1A-7A disply wide range of physical and chemical properties |
transition metal | metals in which th highest occupied s and nearby d orbitals contain electrons |
inner transition metals | the highest occupied s sublevel and nearby f sublevel generally contain electons |
atomic radius | half the distance between the nuclei of two atoms of the same element when the atoms are joined |
ion | atom or group of atoms that have a positive or negative charge |
cation | ion with a positive charge |
anion | a ion with a negative charge |
ionization energy | energy required to remove an electron from an atom |
electronegativity | the ability of an atom of an element to attract electrons when the atom is in a compound |
Created by:
madbee010
Popular Miscellaneous sets