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PH
Water
Characteristics of Life
Bonds
Water pt2
100
What is 'pH' scale?
What is The strength of an acid or a base is expressed in terms of hydronium ion concentration.
100
explain solvent
What is a substance that can dissolve
100
all organisms are made up of ____
What is cells
100
explain h2o
What is 2 hydrogen, 1 oxygen
100
when water molecules hold together is it called ____
What is surface tension
200
what is the neutral ph number
What is 7
200
explain solute
What is substance being dissolved
200
some organisms are described as
What is unicellular
200
when hydrogen bonds break apart what can happen
What is hydronium ion
200
explain polarity
What is difference in charge
300
anything under seven is...
What is basic
300
what is water usually referred to
What is universal solvent
300
all organisms ____
What is grow
300
hydrogen bond is _____
What is water
300
which end of a water molecule acts negative
What is oxygen
400
anything over 7 is...
What is acidic
400
what molecule dissolves in water
What is polar
400
what do we call a change in our surroundings
What is stimulas
400
explain covalent bond
What is chemical bond that shares electrons
400
which end of a water molecule acts positive
What is hydrogen
500
How to acids taste
What is sour
500
what materials dissolve in water
What is hydrohillic
500
basic units of structure & function
What is cell
500
what is ionic bond
What is bond that steals electrons.
500
explain adhesion
What is sticking