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GalinKa [24]
3 years ago
15

Which metalloid has three valence electrons? boron arsenic silicon lithium

Chemistry
2 answers:
blagie [28]3 years ago
5 0

Answer:

the correct answer is baron

Zina [86]3 years ago
3 0

Answer:

boron

Explanation:

bc the Boron Family is named after the first element in the family. atoms in this family have 3 valence electrons. this family includes a metalloid (boron), and the rest are metals.

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What is the density of an object with a mass of 140 g and a volume<br> of 6 ml
Strike441 [17]

Answer:

<h2>23.33 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

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We have the final answer as

<h3>23.33 g/mL</h3>

Hope this helps you

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