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Bio chapter 2 and 3

section 2.1 and 2.2

What is an atom Smallest basic unit of matter
What is an element One particular type of atom
What is a compound Substance made of atoms of different elements bonded together in a certain ratio
What is an ion Atom that gained or lost one or more electrons
What are one of the properties of water High polarity
What is a hydrogen bond Attraction between a slightly positive hydrogen and a slightly negative atom
What is an acid Compound that releases a proton, hydrogen when it dissolves in water
What is a base Compound that remove ions from a solution
What's cohesion Attraction among molecules of a substance
What's adhesion Attraction among molecules of different substances
What is a Ph scale Measures how acidic or basic a substance is
Can an element be broken down no
What charge does an electron have negative
What charge does a proton have positive
What charge does a neutron have neutral/none
Created by: donchezmc



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