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Temka [501]
2 years ago
10

What Is the answers?

Chemistry
2 answers:
Yuki888 [10]2 years ago
5 0

Answer:

oxygen is responsible for rusting

Gala2k [10]2 years ago
4 0
Oxygen causes the metal can to rust
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What could two atoms of the same element form?
scZoUnD [109]
Covalent bonds but not ionic 
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3 years ago
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What is the edge length of a 377-g iron cube? (The density of iron is 7.86 g/cm^3, and the volume of a cube is equal to the edge
VashaNatasha [74]

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Explanation:

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Suppose a new group 5A element is discovered. Photoelectron spectroscopy (PES) reveals that its last two peaks occur at 1370 kJ/
iren2701 [21]

Answer: The average valence electron energy (AVEE) of this element =

1014.2 KJ/ mol  or  1.0142mJ/mol.

Explanation:

The average valence electron energy =  (number of electrons in s subshell  x  Ionization energy of that subshell) + (number of electrons in p subshell  x  Ionization energy of that subshell) / total number of electrons in both subshells of the valence shells.

The 5A elements are non-metals like Nitrogen and Phosphorus with the metallic character increasing as you go down the group, So a new 5A element will have characteristics of its group with 5 valence electron in its outermost shell represented as ns2 np3

Therefore  the average valence electron energy (AVEE) of this element will be calculated as

The average valence electron energy = (2 x 1370  kJ/mol + 3 x 777 kJ/mol.) / 5

2740+2331/ 5 =5071/5

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Is dew forming on a leaf a physical or chemical change?
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No, the formation of dew is condensation, which is a physical change.
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What is of or from outside of the earth
WINSTONCH [101]

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