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Chemistry
Test flashcards
| Term | Definition |
|---|---|
| Subscript | Little numbers in the equation. Cant change |
| Coefficient | The big number in the equation. You can change them and the number goes all the way through it |
| What side is the reactant side? | Before the arrow |
| What side is the product side? | After the arrow |
| What is a balanced equation? | If both sides of the arrow are even then its a balanced equation |
| Where are Protons found? | Nucleus |
| What type of charge does proton have? | Positive |
| How much does a proton weigh? | 1 amu |
| Where are neutrons found? | In the nucleus |
| What type of charge does a neutron have? | No charge |
| How much does a neutron weigh | 1 amu |
| Where is a electron found? | In the outer ring |
| What is the charge of a electron? | Negative |
| Where do you find the number of protons a element has? | The atomic number |
| Where do you find the number of electrons a element has? | The atomic mass |
| Where do you find the number of neutrons a element has? | You subtract the atomic mass and the atomic number |
| What is a compound? | One or more elements chemically combined that cant be separated easily |
| What is a mixture? | One or more elements that are physically combined and I can be seperated |
| Hetero | Different textures |
| examples of hetero | Rocky road ice cream, Sand, Chunky peanut butter |
| Homo | Same texture through the whole substance |
| Examples of homo | vanilla ice cream, smooth peanut butter |
| What does the periodic table do? | Arranges elements by rows and columns using their atomic number and atomic mass |
| what is a element? | A Element is known as the building blocks of matter and also the most pure type of substance and cant be broken down anymore |
| What do rows show you? | How many orbits are in a bohr model |
| What way do rows go? | Horizontal |
| What are periods used for? | Luise Dot modsels |
| What way do columns go? | Vertical |
| For a element symbol if it is one letter that letter is... | Uppercase |
| fFor a element symbol that is two letters what is the first letter? | Uppercase |
| For a element symbol that is two letters what is the second letter? | Lowercase |
| What can you do with a physical change that you cant do with a chemical change? | You can put physical changes back together and it only changes the form of the object |
| What can you do with a chemical change that you cant do with a physical change? | You cant put any chemical changes back together |
| What do all phase changes have in common? | They are all Physical changes |
| What are three main parts of the periodic table? | metals, metalloids and non- metals |
| How much does a electron weigh? | 1/8000 |
| What does a chemical reaction tell? | a story |
| reactants | the starting substances in the reactions |
| products | new substances formed |
| law of conservation of matter | he numbers on each side of the equal sign has tp be equal |
| matter cant be ___________________ or ___________________________ | created and destroyed |
| When using a red litmus paper if a acid touches it... | it turns blue |
| when blue litmus paper touches a acid touches it... | turns red |
| 7 on litmus paper is | nuetral |
| 1-6 on litmas paper is | a acid |
| 8-14 on a litmas paper is | a base |
| solute | substance disolved |
| solvent | does the desolving |
| How large is the pH scale | 0-14 |
| bases | bitter and slippery |
Created by:
raenahopkins22
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