chemistry- chapter 4 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
Question | Answer |
Groups | Coulumns |
Periods | Rows |
Halogens | non metals |
metals are to the | left |
simmilarities in eleemens in each group? | 1. same group 2.same number of valence electrons 3.Same properites |
what makes noble gases so un reactive? | Full octet |
octet rule | atoms of elements want to gain or lose elevtons to have 8 in their outermost e level |
ions | an atom that has a positive or negative charge |
ations | negative ions |
cations | positive ions |
metals | lose cations |
nonmetals | gain anions |
what takes th emost space in an atom? | electrons |
as they go down on the periodic table the atomic radius goes | up |
as they go over on the pt the atomic radius goes | down |
anions have a _____radius | larger |
cations have a _____ smaller | smaller |
ionazion energy | electrons required to remove one electron from an atom of an element |
electronegativity | measure of ability of atom to gain electrons |
factors that influence trends | size, nuclear charge, elcctron shielding |
main group element | an element in the sblock or p block |
alloy | a solid of liquid mixture of two or more metals |
nuclear reaction | reaction that affects the nucleus of an atom |
mendelev organize the periodic table bu increasing | atomic mass |
mosley- organized the periodic table by increasing | by atomic numbers |
electron affinity | the energy charge that occurs when a neutral atom gains an electron |
as the nuclear charge increases across the period the effective nuclear charge ____________ pulling the electrons closer to the nucleus and _______________the size of that atom | increasing and decreasing |
Created by:
babiegrll08
Popular Chemistry sets