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;
10 Cards in this Set
- Front
- Back
|
Why is water unique? |
Water is unique because there are so many different ways to use water. |
|
|
In a water molecule the Hydrogen end has a slightly ______ charge and the Oxygen has a slightly ______ charge. |
Positive Negative |
|
|
Water molecules stick together like magnets (Think: opposites attract) because the ________ end of one molecule is attracted the ________ end of another molecule. This is known as _______. |
Positive Charge Negative Charge Polarity |
|
|
Water is called the universal solvent because it can _______ a large number of different substances. |
Dissolve |
|
|
When water freezes it's density ___________ . |
Decreases |
|
|
Solvents are substances that can _______ other substances. |
Dissolve |
|
|
A solution is a mixture where one substance dissolves another substance. The substance being dissolved is called the ______ . |
Solvent |
|
|
An _____ cannot be separated into parts by an ordinary chemical or physical process. |
Atom |
|
|
A chemical symbol is for elements as a chemical formula isfor ______ . |
Letters |
|
|
The number of atoms on one side of a chemical reaction must ______ the number of atoms on the other side of the chemical reaction. This is known as the Law of ______. |
Equal Conservation of Mass |
