Chem Unit 1 Review: Intro to Chemistry

The study of the composition and structure of matter and the changes it undergoes is called

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Who were the earliest "chemists?"

• alchemists

• guys trying to turn things into gold

• people who boiled their own urine and discovered elements like phosphorus

• people who thought there were 4 elements called earth, air, fire and water

Match the branch of chemistry to its description.

• biochemistry

• study the energy involved in changing matter

• organic

• study things that don't contain carbon

• inorganic

• study the chemical processes in living things

• analytical

• study molecules that contain carbon

• physical

• analyze matter to determine its composition and structure

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Anything that has mass and volume is called

• atoms

• matter

• chemistry

• elements

Matter is made of particles called

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Each types of atom is called a(n)

• element

• molecule

• proton

• model

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Elements have unique names and 1- or 2-letter

H, Cl and N are

• formulas

• symbols

• elements

• molecules

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What matter is made up of is called

• structure

• elements

• models

• composition

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Atoms combine to form

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