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Matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | In the middle and at the bottom |
| Where are the least reactive elements on the periodic table? | On the far right of the table |
| Where are the most reactive elements on the periodic table? | To the far left on the table |
| Where are the metalloids on the periodic table? | Along the zig-zag line |
| Where are the nonmetals on the periodic table? | To the right of the metalloids and hydrogen |
| Where are the metals on the periodic table? | On the left |
| What is the smallest part of an element? | An atom |
| What is the smallest part of a compound? | A molecule |
| What does a period represent? | Energy level/row |
| What does a group represent? | Number of valance electrons (also called a family) |
| What is the definition of mass? | The amount of matter in an object |
| What is the Law of Conservation of Matter? | Matter can't be created nor destroyed |
| What is the definition of density? | How tightly packed something is |
| What is the formula for density? | Mass / volume |
| What are the types of physical properties? | Color, odor, size, hardness, luster, phase of matter, mass, density, boiling point, melting point, solubility, and conductivity |
| What are the types of chemical properties? | Reactivity, combustibility (flammability), toxicity |
| What is the definition of melting point? | When a substance changes from a solid to a liquid; the same temperature as the freezing point |
| What is the definition of combustibility? | The ability a substance has to burn |
| What is the definition of reactivity? | How easily an atom has a chemical reaction with another atom |
| What is the definition of boiling point? | A substance changing from a liquid to gas (vapor) |
| What is a solute? | Substance has dissolving in another substance |
| What is a solvent? | A liquid that becomes dissolved |
| What is a solution? | When two substances are evenly mixed together |
| What is a homogenous mixture? | All parts are the same |
| What is a heterogeneous mixture? | A word for both solvent and solute when not mixed together; parts are not the same |
| What does the atomic number represent? | The number of protons |
| What does the atomic mass represent? | Number of protons plus neutrons |
| What is a noble gas? | An element that are partially nonreactive; on the far right |
| How do you find the number of neutrons? | atomic mass (rounded) - atomic number |
| What are reactants and products? | The substance that you have at the beginning is called the reactant, and the substance you have at the end is called the product. |
Created by:
Kayla4265
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