Question | Answer |
Are Alkali Metals reactive? | Yes, they are very reactive. |
What are three characteristic of Alkali Metals? | They are malleable ( and be pounded into sheets), ductile, (can be rolled into wire), good conductors of heat and electricity. |
Are Alkali Metals soft or hard? | They are soft. |
Are Alkali Earth Metals reactive? | They are reactive. |
Do Alkali Earth Metals occur freely in nature? | They don't occur freely in nature. |
In Transition Metals what are Valance electrons used for? | They are used to combine with other elements. |
How are Other Metals similar to Transition Metals? | They are ductile and malleable. |
What are three physical properties of Other Metals? | They are solids, they have high density, and they are opaque. |
What properties do have Metalloids? | They have properties of both metals and nonmetals. |
What is a semiconductor? | It conducts electrons under certain conditions. |
What are four characteristics of all nonmetals? | They can be a gas or a solid, they cannot be rolled into wire or pounded into sheets (not ductile or malleable), they are very brittle. |
At room temperature nonmetals are? | Either a gas or a solid. |
What are Halogens? | They are nonmetals. |
What does Halogen mean? | Salt Former. |
Compounds that contain halogens are? | Salts. |
At room temperature halogens are? | Either a gas, a liquid or a solid. |