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matter

QuestionAnswer
Where are transition metals located on the periodic table (1) in the middle and on the bottom
Where are the least reactive elements on the periodic table (2) on the far right handed side of the periodic table, also known as noble gasses
Where are the most reactive elements on the periodic table (3) on the far left handed side, also known as alkali metals
Where are the metalloids on the periodic table (4) on the zig-zag
Where are the nonmetals on the periodic table (5) upper right area of the periodic table
Where are the metals on the periodic table (6) on the left of the zig-zag
What is the smallest part of an element (7) an atom
What is the smallest part of a compound (8) a molecule
What does a period represent (9) energy levels//// (row)
What does a group represent (10) number of valence electrons// also called a family ; columns
What is the definition of mass (11) the measure of matter in an object
What is the Law of Conservation of Matter (12) matter is not creater nor destroyed.
What is the definition of density (13) how close together the molecules in a substance are//// (mass/volume)
What is the formula for density (14) mass divided by volume (usually shows up as g/mL)
What are the types of physical properties (15) color, odor, size, hardness, luster, phase of matter, mass, density, boiling point, melting point, solubility, conductivity.
What are the types of chemical properties (16) reactivity, toxicity, and combustibility
What is the definition of melting point (17) the temperature where a solid becomes a liquid; same temp as the freezing point
What is the definition of combustibility (18) measure of how easily a substance will set on fire
What is the definition of reactivity (19) how easily an atom reacts with something else
. What is the definition of boiling point (20) the temperature where a substance changes from a liquid to a gas
What is a solute (21) a substance that is dissolved in another substance
What is a solvent (22) the liquid is what the solute is dissolved in
What is a solution (23) a solute dissolved in a solvent; all parts are the same; substances in the mixture are evenly distributed
What is a homogenous mixture (24) mixture that has the same combination of parts throughout the miture; pure substance
What is a heterogeneous mixture (25) a m ixture that is not the same throughout; can be easily seperated
What does the atomic number represent (26) # of protons
What does the atomic mass represent (27) # of protons + # of neutrons
What is a noble gas (28) located on the far right handed side of the periodic table:: least reactive
How do you find the number of neutrons (29) round the atomic mass to the nearest whole number (mass number), and then subtract the atomic number from this number
. What are reactants and products (30) reactants are at the beginning- what you add together,, oriducts are the new substance
Created by: allison.g21