Answer:
Its a and e
Explanation:
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Answer: The metalloids are a unique group of elements that share properties of both metals and nonmetals.
Explanation: They're also called the semimetals because of the shared properties of these elements along the dividing line between metals and nonmetals.
The formula for K+ and S-2 is K2S because you need 2 potassium ions to balance out the sulfide ion
The answer is Hydrogyn bonding. It keeps the water molocules bonded together and in a liquid state, without it it'd be in a gashious state.
Conversion process of non-organic carbon dioxide into organic compounds by living organisms.
Example: Photosynthesis
