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Matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | In the middle and the bottom |
| Where are the least reactive elements on the periodic table? | The very far right |
| Where are the most reactive elements on the periodic table? | The very far left |
| Where are the nonmetals on the periodic table? | On the zigzag |
| Where are the metals on the periodic table? | Left |
| What is the smallest part of an element? | Atom |
| What is the smallest part of a compound? | Molecule |
| What does a period represent? | Rows of elements that are grouped in rows and it represents the energy levels |
| What does a group represent? | Columns of elements that are grouped in columns because they have the same number of valence electrons; also called a family |
| What is the definition of mass? | Measure of matter in an object |
| What is the Law of Conservation of Matter? | Matter cannot be created nor destroyed |
| What is the definition of density? | How compact/tightly packed an object is |
| What is the formula for density? | Density = mass divided by volume and usually shows up as g/mL |
| What are the types of physical properties? | Density, Melting Point, and Boiling Point, color, odor, hardness, luster, phase of matter, mass, solubility, conductivity |
| What are the types of chemical properties? | Reactivity, combustibility, and toxicity |
| What is the definition of melting point? | The temperature that an object will begin to melt at/solid to liquid, same temperature as the freezing point |
| What is the definition of combustibility? | How easy an object is to be set on fire/how easy it is burn |
| What is the definition of reactivity? | How easy an object is able to react with other things/easy to have a chemical reaction |
| What is the definition of boiling point? | The temperature that an object will begin to boil at/liquid to gas |
| What is a solute? | The object that gets dissolved in another substance |
| What is a solvent? | What the solute is dissolved in |
| What is a solution? | Solute dissolved in a solvent |
| What is a homogeneous mixture? | A mixture that has the same uniform appearance and composition throughout / pure substance |
| What is a heterogeneous mixture? | A mixture that consists of different phases and isn't the same throughout, parts are not the same, and parts can be easily separated. |
| What does the atomic number represent? | The number of protons in an element, usually number of electrons, eh idk |
| What does the atomic mass represent? | The mass of an atom in an element or number of protons plus electrons |
| What is a noble gas? | Least reactive gases on the last group on the very far right on the periodic table |
| How do you find the number of neutrons? | Subtract the number of protons from the atomic number or round atomic number to the nearest whole number and do the thing before |
| What are reactants and products? | Reactants are substances that are changed into other substances and products are the end result of the reactants being changed |
| Where are the nonmetals on the periodic table? | On the right |
Created by:
Lucas.pacito
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