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;
9 Cards in this Set
- Front
- Back
Why do Elements in a group have similar properties?
|
Because they have the same number of valence electrons.
|
|
What is the most abundant metal in the Earth's crust?
|
Aluminum
|
|
Are noble gases very reactive?
|
No.
|
|
What element plays a key role in the process that uses sunlight to produce sugar in plants?
|
Magnesium
|
|
What element is needed in your body to keep your bones + teeth strong?
|
Calcium
|
|
Do Halogens have similar chemical properties?
|
yes
|
|
True or False: Halogens are extremely un reactive. |
False!
|
|
What kind of element is a poor conductor of heat and electric current?
|
Nonmetals!
|
|
What element compound is used to prevent tooth decay?
|
fluorine compound
|