4-ethyl-3-methyl 1 hexane
Answer:

Explanation:
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In this case, for computing the atom percent, one must obtain the number of atoms of silver, gold and copper as shown below:

Thus, the atom percent turns out:

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Solids are packed together closely, liquids are farther apart but still relatively close, and gases are very far apart with lots of space.
Answer: The metalloids are a group of elements in the periodic table. They are located to the right of the post-transition metals and to the left of the non-metals. Metalloids have some properties in common with metals and some in common with non-metals.
Explanation: