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GarryVolchara [31]
3 years ago
11

Which materials are made of more than one element

Chemistry
1 answer:
Vinil7 [7]3 years ago
3 0
Compound usually are
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Iodine is an elemnt, but is Iodide an element or it is a compound?
juin [17]

Answer: element

Explanation:

It only has one type of atom making it a element

5 0
3 years ago
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A small portion of a crystal lattice is sketched below. What is the name of the unit cell of this lattice? Your answer must be a
Nikolay [14]

This is an incomplete question, the given sketch is shown below.

Answer : The name of given unit cell is, FCC (face-centered cubic unit cell)

Explanation :

Unit cell : It is defined as the smallest 3-dimensional portion of a complete space lattice which when repeated over the and again in different directions produces the complete space lattice.

There are three types of unit cell.

  • SCC (simple-centered cubic unit cell)
  • BCC (body-centered cubic unit cell)
  • FCC (face-centered cubic unit cell)

In SCC, the atoms are arranged at the corners.

Z=\frac{1}{8}\times 8=1

The number of atoms of unit cell = Z = 1

In BCC, the atoms are arranged at the corners and the body center.

Z=\frac{1}{8}\times 8+1=2

The number of atoms of unit cell = Z = 2

The given unit cell is, FCC because the atoms are arranged at the corners and the center of the 6 faces.

Z=\frac{1}{8}\times 8+\frac{1}{2}\times 6=4

The number of atoms of unit cell = Z = 4

Thus, the name of given unit cell is, FCC (face-centered cubic unit cell)

7 0
4 years ago
What's an example of chemical reaction
sergeinik [125]
S + O = SO4. cracked also chemical reaction
6 0
3 years ago
Question 1<br> Balance the following chemical equation. __Li+___f2--&gt;___LIF
Irina-Kira [14]

Answer:

2Li + F2 → 2LiF

Explanation:

Hope this helps!

7 0
3 years ago
Why can we characteristic properties of a substance to identify it
MrRa [10]
We can characterize properties of a substance to identify it because it helps us determine how the substance should be used. We can identify a substance by using physical or chemical properties. These help us by telling us which chemical we are looking at.  

I hope this helps.. I wasn't sure what kind of answer you were looking for.
3 0
3 years ago
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