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steposvetlana [31]
3 years ago
6

Which of the following elements would you expect to be extremely explosive in the presence of water?

Chemistry
2 answers:
Kipish [7]3 years ago
7 0

Answer:

the answer is a

Explanation:

Natali5045456 [20]3 years ago
6 0
The answer is a. Sodium
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In which of the following sets are the charges given correctly for all the
Ronch [10]

Answer:

B) K⁺, Sr²⁺ , O²⁻

Explanation:

Potassium is present in group one. It is alkali metal and have one valance electron.Potassium need to lose its one valance electron and form cation to get complete octet.

That's why it shows K⁺.

Sr is alkaline earth metal. It is present in group two. It has two valance electrons. Strontium needed to lose its two valance electrons and get stable electronic configuration.

When it loses its two valance electrons it shows cation with charge of +2.

Sr²⁺

Oxygen is present in group 16. It has sex valance electrons. It needed two more electrons to complete the octet. That's why oxygen gain two electron and form anion with a charge of -2.

O²⁻

3 0
3 years ago
Considere un elemento "X" que posee como valencias 2, 4 y 6. En su nomenclatura tradicional, considerando la valencia cuatro, es
Ierofanga [76]

Answer:

"ite"

Explanation:

Se sabe que los elementos del grupo 16 de la tabla prioritaria muestran estados de oxidación o valencias de 2,4 y 6 respectivamente, dependiendo del compuesto formado.

Por ejemplo, el azufre forma los siguientes compuestos;

sulfato de sodio (el azufre tiene una valencia de 6)

Sulfito de sodio (el azufre tiene una valencia de 4)

Sulfuro de sodio (el azufre tiene una valencia de 2)

Por lo tanto, en compuestos en los que exhiben una valencia de 4, la terminación común es "ite"

8 0
3 years ago
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Please help :) hope you have a good day
Mekhanik [1.2K]

Answer:

the volume of the gas will decrease

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3 years ago
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Which element, under normal circumstances, does not combine chemically with other elements to form compounds?
Ilya [14]
That would be the NOBLE GASES (Helium, Neon, Argon, Krypton, Xenon, Radon).  Because these elements have a filled outer shell (thus giving them the full octet that other elements crave), they are stable elements under normal circumstances and as such resist chemical combination.


Plz note that under special conditions, noble gases such as Xenon and Radon can form compounds  (Xenon Fluoride and Oxide; Radon Fluoride) 
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3 years ago
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What volume is equivalent to 12.0 m3?
Kaylis [27]

i think 12000 is the answer

3 0
3 years ago
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