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7th Grade Study Guid

7th Grade Study Guide

QuestionAnswer
The ease and speed with which an element or compound combines with other elements or compounds reactivity
the temperature at which a substance changes from a solid to a liquid melting point
the measurement on how much mass of a substance is contained in a given volume denisty
the temperature at which a substance changes from a solid to a gas boiling point
the ability for a substance to ignite and burn flammabilty
the Greek symbol used in expressing the acidity alkline of an element pH
the abilty of a substance to altar it's form but doesn't change intom a new substance physical properties
the ability or ease of a substanceto transmit heat and / or electricty conductivity
the abilty of a substance to change into a new substance or combine with a substance chemical properties
the average mass of one atom of an element. Mass is calculated by combining the mass of protons and neutrons atomic mass
a small, positively charged particle in the nucleus of an atom proton
the smallest particle of an element atom
the name given to particles that are smaller than the atom and make up the atom subatomic
a term sometimes used instead of using atomic mass atom weight
the center of the atom with no electrical charge nucleus
the number which tells you how protons and electrons are found in an atom atomic number
a tiny, negatively charged particle the moves around the nucleus of an atom electron
a term that refers to the number and ARRANGEMENT OF ELECTRONS, NEUTRONS, AND PROTONS AN AN ATOM
Created by: mekaj98