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matter
| Question | Answer |
|---|---|
| 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
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