Assignment 1 Flashcards
1
Q
Element
A
One type of atom
2
Q
Compound
A
Bunch of differenct atoms chemically bonded together
3
Q
Chemistry
A
The study of matter and its interactions
4
Q
Chemical Change
A
A change in a substance that alters its interaction with other substances which are mostly reversable
Indications/Traits:
- bubbling
- color change
- gas release
- cloudiness/precipitate
- energy release
5
Q
Physical Change
A
A change in the property of the substance that does not alter its interaction with other substances, some are reversable
Indications/Traits:
- dissolving (but not cloudy)
- no bubbling
6
Q
Why do higher numbers have more sig figs
A
Because the larger the number the harder it is to get a precise measurement, so higher numbers have more sig figs
