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Chemistry test 3/19

Periodic table test 3/26

TermDefinition
The number that identifies an element Atomic number
The sum of the protons and neutrons Atomic mass/weight
Positively charged particle in an atom Proton
Negatively charged particle in an atom Electron
Most current model of an atom Electron cloud
Neutral particle in an atom Neutron
Center of an atom Nucleus
A column on the periodic table is called a ____ Family/group
A row on the periodic table is called a ___ Period
Family 17's famous name Halogens
Family 1's famous name Alkali Metals
Family 2's famous name Alkaline Earth Metals
Family 18's famous name Noble Gases
These are found mainly on left side of the periodic table Metals
These get more reactive as you go down the family Metals
These get more reactive at you go up the family Non metals
These are mainly solids at room temperature Metals
These are found mainly on the right side of the periodic table Non metals
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, Astatine are _______ Metalloids
______ are brittle if found in solid form Non metals
______ have properties of metals and non metals Metalloids
______ are malleable and ductile metals
To be able to stretch out into thin wires ductile
To be able to hammer into shape or flat sheets malleable
Element name for B Boron
Families 3 through 12 and periods4 through 7 Transition metals
Electron energy level 1 holds ____ up to 2 electrons
Electron energy level 2 holds____ up to 8 electrons
Electron energy level 3 holds____ up to 18 electrons
Electron energy level 4 holds____ up to 32 electrons
Electron energy level 5 holds____ up to 32 electrons
Electron energy level 6 holds____ up to 18 electrons
Electron energy level 7 holds____ up to 8 electrons
Element name for Mn Manganese
Element name for Au Gold
Element symbol for Silver Ag
Element symbol for Iron Fe
Element name for Cr Chromium
Element name for C Carbon
Element name for H Hydrogen
Element name for Er Erbium
Family 13 period 4 Gallium
Period 7 family 18 Ununoctium
Created by: amastria
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