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