Show:
Acids/ Bases
Chemical Reactions
Atoms/Bonding
Elements
Matter
100
The scale for 1-6 and 8-14.
What is the ph scale for Acids and Bases?
100
breaking,crumbling, and ripping are examples of what.
What is a physical change?
100
symbols for elements surrounded by dots
What is electron dot diagram?
100
neutral atom
What is a neutron?
100
what are the 3 states of matter
What is liquid, solid, and gas
200
To wear away
What is corrosive?
200
the energy released as a product forms is greater than the energy required to break the bonds of the reactants.
What is exothermic reaction.
200
atom or groups of atoms that has an electric charge
What is ions?
200
Mendeleev founded what?
What is the order of the periodic table?
200
the formula for density
What is density = mass/volume
300
the universal solvent in chemisty
What is water
300
matter does not leave or enter a system
What is a closed system
300
ions form an orderly,three dimensional arrangement
What is a crystal?
300
element that lacks most of the properties of a metal
What is a nonmetal?
300
matter is not created nor destroyed
What is law of conservation of mass?
400
small undissolved particles that do not settle out
What is a colloid
400
compounds break down into simpler products
What is decomposition?
400
chemical bond formed when 2 atoms share electrons
What is covalent bond?
400
means salt forming
What is a halogen?
400
surface particles of a solid gain enough energy that they form a gas
What is sublimation?
500
bases create this substance in solutions
What is hydroxide ions?
500
two or more elements or compounds combine to make a more complex substance
What is synthesis?
500
mixture made of two or more elements at least one is a metal
What is an alloy?
500
How many groups are in the periodic table
What is 18?
500
When a temple o f a gas at constant pressure is decreased, its volume decrease
What is Charle's Law