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;
21 Cards in this Set
- Front
- Back
Bronze |
Example of a mixture |
|
Group 18 or 8A |
Noble gases Inert or unreactive Nonmetal 8 Valence electrons |
|
Number of dots on a electron dot diagram = |
Number of valence electrons |
|
Number of valence electrons = |
Group number where the element is found |
|
Mass Number = |
Protons + Neutrons |
|
Positive charge Found in the nucleus Mass = 1 |
Proton |
|
Negative charge Found outside the nucleus Mass = 0 |
Electrons |
|
No charge Found inside the nucleus Mass = 1 |
Neutron |
|
Elements in the same group or family |
Have the same number of valence electrons They have the same oxidation number |
|
Most reactive metal |
Alkali metals (Group 1 or 1A)
|
|
Most reactive nonmetals |
Halogens (Group 17 or 7A) |
|
Metals Solids Touching |
Conduction |
|
Liquids or gases |
Convection |
|
Occurs on the sun and the stars |
Radiation |
|
Examples of colloids |
Milk, fog |
|
What metals do in a reaction |
Lose electrons and become positive |
|
What nonmetals do in a reaction |
Gain electrons and become negative |
|
Group 1A |
Alkali Metals Most reactive metals 1 VE |
|
Group 2A |
Alkaline Earth Metals 2 VE |
|
Group 7A |
Halogens Most reactive nonmetals 7 VE |
|
Group 8A |
Noble Gases Unreactive 8 VE |