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KiRa [710]
4 years ago
8

Which metalloid has three valence electrons? 1. Lithium 2. boron 3. silicon 4. aluminum 5. arsenic 

Chemistry
2 answers:
iren [92.7K]4 years ago
5 0

Answer:

boron

Explanation:

kobusy [5.1K]4 years ago
5 0

Answer:

A

Explanation:

Edgenuity

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How many moles of mgs2o3 are in 193 g of the compound?
Mashutka [201]

Answer:

             1.414 Moles

Solution:

Data Given:

                 Mass of MgS₂O₃  =  193 g

                 M.Mass of MgS₂O₃  =  136.43 g.mol⁻¹

                 Moles  =  ?

Formula Used:

                            Moles  =  Mass ÷ M.Mass

Putting values,

                            Moles  =  193 g ÷ 136.43 g.mol⁻¹

                            Moles =  1.414 mol

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3 years ago
Can a mixture be formed into a compound?​
trapecia [35]
No, i don’t think so
6 0
4 years ago
How much does a gallon of water WEIGH?
elixir [45]
A gallon of water weighs 8.34 pounds
4 0
4 years ago
Why does green light slow down more than orange light does ​
patriot [66]

Answer:

Green light has longer wavelengths than orange light. Green light has fewer particles than orange light. Green light refracts less than orange light. That is why Green light slows down more quickly than orange light does.

6 0
3 years ago
Write the reaction of reduction of iron oxide (III).​
olga nikolaevna [1]

Answer: I don't know if this helps you or not, but this is from study.com:

I'm so sorry if it doesn't:

Explanation: Iron(III) oxide reacts with carbon monoxide according to the balanced equation:

Fe₂O₃ + 3CO ➡️ 2Fe + 3CO₂

A reaction mixture initially contains 23.00g Fe₂O₃ and 15.40g CO.

8 0
2 years ago
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