Show:
Water
pH/Acids/Bases
Periodic Table
Ionic/Covalent Bonds
States of Matter
100
the chemical formula of water
What is H20
100
the pH scale ranges from ___ to ___
What is 0 to 14
100
elements are arranged by their ___ on the periodic table
What is atomic number
100
covalent bonds are formed when one pair of atoms ___ one or more pairs of electrons
What is share
100
water is the densest when it is a ___
What is liquid
200
water is tasteless and odorless when it is at ____
What is room temperature
200
lemon juice is a ___
What is acid
200
the horizontal rows on the periodic table are called ___
What is periods
200
some atoms become ___ by gaining or losing electrons
What is stable
200
ice floats in liquid water because it is ___ than water
What is less dense
300
water has a positive and a negative end which makes it ____
What is polar
300
bases tend to taste ___ and ___
What is bitter and slimy
300
the vertical rows on the periodic table are called ___
What is families
300
atoms that lose electrons are called ___ ions
What is positive
300
atoms are in ___ motion
What is constant
400
water possesses this ability that allows it to defy gravity
What is capillary action
400
what is the pH of battery acid
What is 1
400
columns 3-12 on the periodic table are called ___
What is transition metals
400
atoms that gain electrons are called ___ ions
What is negative
400
The rate at which atoms or molecules in a substance moves determines its ___
What is state
500
water is considered a universal ___
What is solvent
500
the each value on the pH scale is ___x stronger than the next
What is 10
500
this compound is created when hydrogen and chlorine combine
What is hydrogen chloride
500
because ___ and ___ electrical charges attract each other ionic bonds form
What is positive and nagative
500
to cause a substance to change states ___ must be added or removed from a substance
What is heat