3 years ago

Generally, A loses electrons when reacting with nonmetals and gains electrons when reacting with metals. A is a(n):

1 answer:

4 0

Sorry I don’t exactly know I have exams rn I need points

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tia_tia [17]

the answer is 8 electrons

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3 years ago

Tanya [424]

malai aaudaina aati jabo tapai

lai aaudaina

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3 years ago

Lina20 [59]

A or D I think...sorry if it’s wrong

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3 years ago

elena-s [515]

Answer:

2, 8, 8

Explanation:

The first electron shell always has 2 electrons when it is complete. The second electron shell and 3rd shell can hold 8 when completed.

5 0

2 years ago

zaharov [31]

Answer:The the $\Delta S_{rxn}$ for the given reaction is 179.98 J/K.

Explanation:

$4NH_3(g)+5O_2(g)\rightarrow 4NO(g)+6H_2O(g),\Delta S_{rxn}=?$

$=192.8 J/mol K$

$\Delta S_{O_2}=205.0 J/mol K$

$\Delta S_{H_2O}=188.83 J/mol K$

$\Delta S_{NO}=210.8 J/mol K$

$\Delta S_{rxn}=(4 mol\times \Delta S_{NO}+6 mol\times \Delta S_{H_2O})-(4 mol\times \Delta S_{NH_3}-5 mol\times \Delta S_{O_2})$

$\Delta S_{rxn}=(4\times 210.8 J/mol K+6\times 188.83 J/mol K)-(4\times 192.8 J/mol K+5\times 205.0 J/mol K)$

$\Delta S_{rxn}=179.98 J/K$

The the $\Delta S_{rxn}$ for the given reaction is 179.98 J/K.

4 0

3 years ago