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scienceeeeeeee
| Question | Answer |
|---|---|
| synthesis reaction | A chemical reaction in which two or more reactants combine into a single, more complex product |
| Science | The systematic study of the universe that produces observations, inferences, and models including the products that it creates through this systematic study. |
| Physical Science | The study of nonliving matter and energy. |
| Chemistry | The study of the composition, structure, and properties of matter, and the changes that take place in matter. |
| Worldview | How someone views the world based on their assumptions about the world. |
| Creation Mandate | God's command that directs us to exercise wise and good dominion over His creation to the glory of God and for the benefit of fellow humans. |
| Ethics | A system of moral values; a theory of proper conduct. |
| Model | A workable explanation or description of a phenomenon. |
| Scientific Inquiry | An ongoing, orderly, cyclical approach used to investigate the world. |
| SI | A standardized system of measurement units used for science. SI stands for International System of Units. |
| Accuracy | The comparison of measurement units used for science SI stands for International system of Units |
| Accuracy | The comparison of a measurement to an accepted or expected value |
| law of conservation of energy | energy cannot be created or destroyed but only transferred between objects or transformed |
| coefficient | a number placed in front of a chemical formula within a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation |
| decomposition reaction | a chemical reaction in which a single reactant breaks down into two or more products |
| three examples of each of both covalent and ionic binary compounds | Covalent- O2, H2, Cl2 Ionic Binary- Cl2O3, He2H3, Mg3N2 |
| How does chemical bonding affect properties of he substances involved give an example | It changes the Hydrogen and oxygen alone are very flammable but when combined they make -H2O- which is water and not flammable and is a safe liquid |
| Ionic Bonds | A chemical bond formed when atoms transfer valence electrons |
| Metalloids | solids at room temp crumbly brittle metallic luster conductivity increases with temp variable reactivity |
| Noble gas | an element in group 18 on the periodic table having eight valence electrons that fill their outer energy level (Helium is an exception it has two) with a full outer energy level it's very nonreactive |
| period <----------> | a row in the periodic table of elements also called a series |
| family / group ^ l V | a column of elements in the periodic table having similar valence electron arrangement resulting in similar chemical properties |
| Cation | when an ion (loses) electrons |
| how are ions different from atoms | ions have a positive/ negative charge bt atoms are neutral |
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