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Matter

QuestionAnswer
Where are transition metals located on the periodic table? In the middle and the bottom of the periodic table
Where are the least reactive elements on the periodic table? Far right
Where are the most reactive elements on the periodic table? Far left
Where are the metalloids on the periodic table? Zig Zag line on the right
Where are the nonmetals on the periodic table? Upper right area
Where are the metals on the periodic table? On the left
What is the smallest part of an element? Atom
What is the smallest part of a compound? Molecules
What does a period represent? Each row is called a period. Elements in each period have the same number of electron shells.
What does a group represent? Each column is called a group. The elements in each group have the same number of electrons in the outer orbital.
What is the definition of mass? Mass is a measure of the amount of matter in an object.
What is the Law of Conservation of Matter? Matter cannot be destroyed or created.
What is the definition of density? Compactness of and object.
What is the formula for density? P= m/v
What are the types of physical properties? appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, phase of matter
What are the types of chemical properties? Toxicity, Reactivity, Combustion,
What is the definition of melting point? the temperature at which a given solid will melt. Same temp as freezing point
What is the definition of combustibility? How easily a substance will catch on fire.
What is the definition of reactivity? How easily two substances react to each other
What is the definition of boiling point? the temperature at which a liquid boils and turns to vapor.
What is a solute? the minor component in a solution, dissolved in the solvent.
What is a solvent? able to dissolve other substances.
What is a solution? a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
What is a homogenous mixture? A homogeneous mixture is a mixture that cannot be separated. Pure substances
What is a heterogeneous mixture? A heterogeneous mixture is a mixture that can be separated
What does the atomic number represent? How many protons are in the nucleus of an atom
What does the atomic mass represent? Protons plus neutrons
What is a noble gas? An element that is nonreactive
How do you find the number of neutrons? Subtract the number of protons from the mass number.
What are reactants and products? Reactants are what you add together, the products is what it makes
Created by: graysin04