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attashe74 [19]
3 years ago
12

What is a valency according to chemistry​

Chemistry
1 answer:
Bond [772]3 years ago
4 0

Answer:

Valency is the measure of the combining power of an element

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Do atoms of a specific element contain the same number of protons
monitta

Answer:

No, they don't because of fact some way more than the other even if it's the same type of element.

Explanation:

There are two types of element weight I think.

5 0
4 years ago
Read 2 more answers
Calculate the number of atoms per unit cell in each type of cubic unit cell. Enter three integers separated by commas (e.g., 1,2
agasfer [191]

Answer:

1, 2, 4

Explanation:

The primitive cubic unit cell has eight corners, and each corner is shared with 8 cubic unit cells. Therefore since we have one atom at each corner, we will have:

8 corner x  1 atom/8 corner = 1 atom

There is then the equivalent of one atom per unit cell in the primitive cubic cell.

For the body-centered cubic unit cell, we have 8 corners again shared each by 8 lattices as in the simple cubic plus we have one atom  in the center of the cubic lattice. Therefore, the number of atoms in the body -centerd unit cell is two:

8 corner x 1 atom/8 corner = 1 atom

                      +

1 atom in the center

= 2 atoms/ unit cel

For the face-centerd cubic again we have 8 atoms in the corners shared by 8 lattices, plus 1 atom in each of the faces shared by two unit cells:

8 corner x 1/8 atom/corner + 6 faces x 1 atom/face = 4 atoms/unit cell

4 0
4 years ago
1. Do you believe we can bring an end to acid rain? How so?
Akimi4 [234]

Answer:

Emissions from Electricity. ...

Vehicle Emissions. ...

Reducing Electricity Consumption. ...

Reducing On-Road Vehicle Exhaust. ...

Other Considerations.

8 0
3 years ago
What mass of water is produced when 425 g of octane is burned?
Vitek1552 [10]
659. 48 g of water is produced
3 0
3 years ago
2S+3O2=2SO3. If 4moles of sulfur reacts with 9. 5 moles of oxygen, how many moles of oxygen would remain after the reaction?
natali 33 [55]

Answer: 3.5 moles

Explanation:

For every 2 moles of sulfur consumed, there are 3 moles of oxygen consumed.

This means that sulfur is the limiting reactant, meaning that 2(3)=6 moles of oxygen will be consumed.

Thus, 9.5-6=3.5 moles of oxygen will remain.

7 0
3 years ago
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