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Lesson 1
| Question | Answer |
|---|---|
| Is a compound made of only only one kind of atom? | No. |
| Is a compound made of unbounded substances? | No. |
| Is a compound a substance? | Yes. |
| Is a compound made of elements that are bonded together? | Yes. |
| Is a compound represented by a chemical formula? | Yes. |
| Is a compound identity is not changed by changing the amount of its substances? | No. |
| Is a compound the smallest part of an element? | No. |
| Is a compound often made of molecules? | No. |
| What is an atom? | A small particle that is the building block of matter. |
| What happens when atoms combine? | They bond or makes different kinds of matter. |
| What is an element? | Matter made of only one kind of atom. |
| Name 3 elements. | Any thing that is off of the periodic table. |
| What is the relationship among atoms, elements, and molecules? | Elements are made of atoms and atoms make molucules. |
| What is a compound? | 2 kinds of atoms that are bonded. |
| Name 3 compounds. | Water, carbon dioxide, sugar, and salt. |
| What info about a compound is found in its chemical formula? | H2o type of atom # of each atom. |
| How are atoms related to elements and compounds? | Elements are made of atoms and atoms are made up of molecule. |
| A mixture in which two or more substances are evenly mixed but not bonded together. | Homogeneous Mixture. |
| A mixture in which the substances are not evenly mixed. | Hetrogenous Mixture. |
| Two or more atoms that are held together by chemical bonds and act as a unit. | Molecule. |
| Matter with a composition that is always the same.` | Substance. |
| Anything that has mass and takes up space. | Matter. |
| Substance made of only one kind of atom. | Element |
| A small particle that is a building block of matter. | Atoms. |
| Substances made of two or more elements that are chemically joined in a specific combination. | Compound. |
| Anything that has__________ and takes up space. | Mass. |
| Most made of_____________. | Atoms |
| Two classifications:________and_________. | Mixtures and Substances (pure). |
| Made up of one or more types of atoms in the same combinations ____________. | Substances (pure). |
| Two types:_________and________. | Elements and compounds. |
| Made of only one type of atom. Organized on the periodic table. And has a chemical symbol. | Elements. |
| Made of two or more types of atoms bonded together. Properties are different from the elements that make it up, Have chemical formulas. | Compounds. |
| have chemical formulas. | Mixtures. |
| Made of two or more_________________that are not bonded together. | Substances. |
| Combination of ___________can vary. | Substances. |
| Two types:_____________and____________. | Hetrogeneous mixtures and homogeneous mixture. |
| Two or more substances unevenly mixed. Different substances visible by unaided eye or microscope. | Hetrogeneous mixture |
| Two or more substances cannot be seen by a microscope. | Homogeneous mixture. |
| What is the difference between heterogenous mixture and homogenous mixture? | Heterogenous mixture is a mixture in which the substances are not evenly mixed and homogenous mixture is a mixture in which two or more substances are evenly mixed, but not bonde together. |
| What is the difference between atom and element? | Atom is a building block of matter and element is a substance made of only one kind of atom. |
| What is the difference between element and compound? | Element is a substance made of only one kind of atom and compound is a substance made of two or more elements that are chemically joined in a specific combination. |
| What is the difference between substance and mixture? | Substance is matter with a composition that is always the same and mixture is matter that can vary in composition. |
| What is the difference between molecule and atom? | Molecule is two or more atoms that are held together by chemical bonds and act as a unit and atom is a building block of matter. |
| What is the difference between compound and molecule? | Compound is a substance made of two or more elements that are chemically joined in a specific combination and molecule is two or more atoms that are held together by chemical bonds and act as a unit. |
| What is the difference between individual and multiple? | Individual is by itself and multiple means with others. |
| What is the difference between chemical change and physical change? | Chemical change makes something new and physical change means the substance stays the same. |
| What is the difference between matter and substances? | Matter is anything that takes up space and substance is matter with a composition that is always the same. |
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shepajor7785