Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
Conservation of mass |
Matter is not created or destroyed during a chemical reaction. |
|
Hypothesis |
A tentative explanation for an observation, phenomenon , or scientific problem that can be tested by further investigation. |
|
Independent Variable |
The one factor a scientist changes in an experiment. |
|
Atomic Number |
The number of protons in the nucleus of an atom. |
|
Atomic Weight |
The average mass of all the isotopes of an element. |
|
Mole |
The number of atoms of a substance equal to the number of atoms in 12 g carbon 12 : 6.022 x 10^23 atoms |
|
Bias |
Influence in favor of or against something usually in a way considered to be unfair. |