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anzhelika [568]
3 years ago
15

Which came first M or O

Chemistry
1 answer:
Kobotan [32]3 years ago
5 0

Answer:

M

Explanation:

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Cu is in FCC structure. We know that even at close to melting temperature, vacancies are still sparsely distributed, i.e., it is
sveticcg [70]

Answer:

6

Explanation:

FCC is face centered cubic lattice. In FCC structure, there are eight atoms at the eight corner of the cubic unit cell and one atom centered in each of the faces. FCC unit cells consist of four atoms, (8/8) at the corners and (6/2) in the faces.

Given that, Cu has FCC structure and it contains a vacancy at origin (0, 0, 0). And there is no other vacancy directly adjacent to the vacancy at the origin. So, all the adjacent positions contain Cu atoms. Hence, the total number of adjacent atoms of the vacancy at origin can jump into this vacancy.

the above FCC unit cell clearly indicates that there are six adjacent atoms adjacent to the vacancy at origin

So, the total number of adjacent atoms of the vacancy at origin can jump into this vacancy is 6.

5 0
2 years ago
3 A specific amount of energy is emitted when excited electrons in an atom in a sample of an element return to the ground state.
Masja [62]
When a specific amount of energy is emitted when excited electrons in an atom in a sample of an element return to the ground state, this emitted energy can
<span>be used to determine the "identity of the element".</span>
5 0
3 years ago
9. The “power plant” of the cell is the
Daniel [21]

Answer:

D. Mitochondria

Explanation:

The mitochondria, labeled the powerhouse of the cell, are the organelle responsible for energy production within the cell

8 0
2 years ago
Read 2 more answers
Give an example of an unbalanced force.
Margarita [4]
An example is when on a seesaw if a kid is on one side and an adult is on the other then it is unbalanced because the adult weighs more
5 0
3 years ago
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Carbon atoms naturally bond with each other in chains, rings, or networks, but they cannot bond with oxygen or nitrogen
mamaluj [8]

False

Explanation:

Carbon atoms are found in hydrocarbons, naturally occurring compound with carbon and hydrogen, but there are molecules in nature that contain beside carbon and hydrogen, oxygen and nitrogen too. In this compounds there are carbon-oxygen and carbon-nitrogen covalent bonds.

Bellow you may see the chemical structure of adrenaline, a hormon found in the human body, were the oxygen (red) and nitrogen (blue) are bonded to carbon.

Learn more about:

structure of organic compounds

brainly.com/question/14118299

#learnwithBrainly

8 0
3 years ago
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