Semi-conductors have properties of both metals and non metals. which are two examples of metalloids

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing

The half-life of a certain element is 100 days. how many half-lives will it be before only one eighth of this elementremains?