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matter

QuestionAnswer
Where are transition metals located on the periodic table? the middle/bottom
Where are the least reactive elements on the periodic table? the right hand
Where are the most reactive elements on the periodic table? the left hand
Where are the metalloids on the periodic table? down the zigzag line to the right of the table
. Where are the nonmetals on the periodic table? the upper right hand
Where are the metals on the periodic table? the middle and the left
What is the smallest part of an element? atom
What is the smallest part of a compound? molecule
What does a period represent? all of the elements have the same number of atomic orbitals/ energy levels
What does a group represent? they all have the same number of electrons in the outer shell:a family
What is the definition of mass? how much matter a object has
What is the Law of Conservation of Matter? matter can not be created or destroyed
What is the definition of density? how tightly packed an object is
What is the formula for density? p=m/v or mass per unit volume
What are the types of physical properties? color,density,volume,mass,boiling and melting point,odor and conductivity
What are the types of chemical properties? reactivity,flammability,toxicity, and combustion.
What is the definition of melting point? the point at which a solid will melt
What is the definition of combustibility? how easily an object burst into flames
What is the definition of reactivity? the power of being reactive or how much something is reactive how easily an atom has a chemical reaction
What is the definition of boiling point? the point at which a liquid will boil and evaporate
What is a solute? what dissolves in a solvent
What is a solvent? something that can dissolve another component
What is a solution? a mixture in which the solute is uniformly distributed within the the solvent.
What is a homogeneous mixture? A homogeneous mixture is a mixture that has the same proportions of its components throughout any given sample.
What is a heterogeneous mixture? a heterogeneous mixture has components whose proportions vary throughout the sample. can be separated easily
What does the atomic number represent? number of protons
What does the atomic mass represent? number of protons and neutrons
What is a noble gas? They are all odorless, colorless, Mon atomic gases with low chemical reactivity. far right
How do you find the number of neutrons? subtract the atomic number from the atomic mass and round
What are reactants and products? reactants are changed into the product during a chemical reaction
Created by: issacfarr23