TLC Science Chemistry Vocab
This is the review for the Chemistry Unit
Terms in this set (45)
Basic Building Blocks of elements.
A negatively charged particle that orbits the atom.
A pure substance that cannot be broken down into any simplar substances through chemical means.
A substance formed by combining two or more elements.
Two or more compounds or elements combined without chemical change.
Two or more atoms combined to get an equivalent charge.
A neutrally charged particle in the nucleus of an atom.
A positive charged particle in the nucleus of an atom.
Properties that can be seen using observation; such as color, texture, etc.
Properties that can only be observed by changing the substance into a new substance.
The number of protons in an atom.
The weight of an atom.
A uniform mixture mixed evenly so that you can't discern the components.
A horizontal row in the Periodic Table.
A mixture that you can see the two components.
A vertical column in the Periodic Table.
A gas found in Group 18 that is unreactive.
Usually hard and shiny substance that conducts heat and electricity well
A substance that does not have the qualities of a metal.
An equation that shows the transformation of 2 elements when combined.
A chemical equation with the same number of atoms of each element on both sides of the equation.
Something that causes a reaction in a chemical change.
When something catches on fire.
A reaction that absorbs energy in the form of heat.
A reaction that gives out energy in the form of heat.
Proteins that act as biological catalysts
Law of Conservation of Matter
States that matter cannot be produced or destroyed in a chemical equation.
The things that are produced as a result of a chemical reaction.
The things that are combined or separated in a chemical reaction.
Energy needed to get a reaction started.
To give out slowly
Can catch on fire easily.
Has little hole in it , like a sponge
a homogeneous mixture of two or more substances that are not necessarily liquid.
Metals combined together to form a compound that has qualities of all the components.
Turning from a liquid into a gas.
Having a pH of 7
Used to measure how acidic or basic a substance is.
A substance with a pH lower than 7. Usually has a sour taste.
A substance with a pH higher than 7. Usually has a bitter taste.
SHINY. SHINY. SHINY!!!
How well a metal can have electricity run through it.
How well a metal can be shaped
How well a metal can be drawn out in a wire.
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