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 |