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44 terms

Periodic Table of Elements and pH scale

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acid
substance that releases H+ ions and produces hydrogrum ions when dissolved in water
base
substance that accepts H+ ions and produces hydroxide ions when dissolved in water
indicator
compound that changes color at at different pH value when it reacts with an acid or basic solution
physical change
does not produce a new substance - moleclues are the same
chemical change
produces a new substance - molecules change
malleable
able to be permanently shaped ( beat into a sheet )
ductile
able to be stretched into wires
semiconductor
a substance that carries electricity under certain circumstances, but not on other circumstances
metal
elments that are shiny, ductile, malleable, and conductors
atomic symbol
abbreviation for the name of an element and has either one or two letters
(SA) What is Mendeleev know for?
organizing the periodic table
(SA) What does the atomic number tell us?
how many protons their are in the element
(SA) What is matalloid?
both metal and non-metal
(SA) What are three characteristics of metals?
shiny, ductile, malleable, and condutors
(SA) What is a Hydronium Ion? (How is it made and the formula)
When acis release H+(hydrogen ions) and it bonds with water it makes H3O+
(SA) What is the range of the pH scale?
0-14
E1
Hydrogen H
E2
Lithium Li
E3
Carbon C
E4
Nitrogen N
E5
Oxegen O
E6
Sodium Na
E7
Magnesium Mg
E8
Aluminum Al
E9
Sillicon Si
E10
Phosphorus P
E11
Chlorine Cl
E12
Postassium K
E13
Calcium Ca
E14
Titanium
E15
Iron Fe
E16
Nickle Ni
E17
Copper Cu
E18
Bromin Br
E19
Silver Ag
E20
Gold Au
Metal, Nonmetal, Metaloid
A+B==>
Combination
AB==>A+B
Decompostition
Strong Acids
HCl- Hydrochloric Acid
HNO3- Nitric Acid
H2SO4- Sulfuric Acid
HBr- Hydrobromic Acid
Hl- Hydroiodic Acid
HClO4- Perchloric Acid
Strong Bases
Lithium Hydroxide- LiOH
Sodium " -NaOH
Potassium " -KOH
Rubidium " -RbOH
Calcium " -CaOH2
Barium " -BaOH
Acid Formula
begins with H
Base Formula
has OH
Acid or Base on pH scale
0-7 acidic 7-14 basic

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