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Where are transition metals located on the periodic table? At the bottom and middle
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? on the zigzag
Where are the nonmetals on the periodic table? upper right of the periodic table
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? molecule
What does a period represent? energy levels;rows
What does a group represent? number of valence electrons-families
What is the definition of mass? The measure of matter in an object
What is the Law of Conservation of Matter? matter cannot be created or destroyed
What is the definition of density? how packed something is
What is the formula for density? the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V). (usually shows up as g/ml)
What are the types of physical properties? appearance, texture, color, odor, melting point, boiling point,phase of matter,hardness,density,solubility,conductivity,mass,size
What are the types of chemical properties? reactivity,toxicity,flammability,Heat of combustion
What is the definition of melting point? the temperature as the freezing point
What is the definition of combustibility? is a measure of how easily a substance will set on fire, through fire or combustion.
What is the definition of reactivity? is the measure of how easily something goes under a chemical reaction
What is the definition of boiling point? the temperature at which a liquid boils and turns to vapor.
What is a solute? a solid that dissolves into a liquid or gas
What is a solvent? a substance that dissolves a liquid or gas
What is a solution? a liquid mixture in which the solute is dissolved within the the solvent.
What is a homogeneous mixture? a mixture that has the same combination of components throughout the entire mixture.
What is a heterogeneous mixture? a mixture that is not the same but can be separated
What does the atomic number represent? the atomic number represents the number of protons
What does the atomic mass represent? the mass of an atom of a chemical element expressed in atomic mass units
What is a noble gas? least reactive
How do you find the number of neutrons? round the atomic to the nearest whole number then subtract the mass by the atomic number and it equals the number of neutrons
What are reactants and products? the reactants are what you have at the beginning products are the new substance
Created by: Thatkid_EJ