It Matters!
A shift in the physical characteristics of a substance without creating a new substance
what is Physical Change?
Has a positive charge
What is a proton?
the most abundant element in the earth’s crust and the second-most abundant element in the earth’s atmosphere.
What is Oxygen?
is the midpoint of the scale, indicating a neutral substance
What is 7, water?
the ph of hair skin and nails.
what is 4.5 to 5.5?
A shift in a substance that creates a new substance with chemical characteristics different from those of the original substance.
what is chemical change?
the smallest complete unit of an element
What is an Atom?
it has only 1 proton and 1 electron, the simplest atomic structure, H.
what is hydrogen?
pH stands for
what is potential hydrogen?
ph of ph balanced shampoo
what is 4.5-5.5 ?
Matter with definite weight, volume and shape
What is a solid?
have no electrical charge
what is a neutron?
three ways to test for ph
what are pH meter, Indicator liquid, or Indicator paper.
the ph scales range
what is 0-14?
Matter with definite weight but indefinite volume and shape
What is a gas?
have a negative electrical charge
What is electrons?
1 atom + 1 similar atom
What is a Element?
a substance that increases the concentration of hydrogen ions when placed in water because it donates, or releases, H+ ions
the ph of relaxer
what is 11.5-14.0?
C.O.H.N.S is the acronym for the elements in the hair.
What is Carbon, Oxygen, Nitrogen, Hydrogen, and Sulfur?
1 atom + 1 different atom
What is a compound?
decreases the concentration of hydrogen ions when placed in water because it accepts, or combines with, H+ ions
What is alkaline?
the ph of perm solution
what is 6.9-9.5?