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kotegsom [21]
2 years ago
12

Why is the bond between two single hydrogen atoms stable?

Chemistry
2 answers:
Svetlanka [38]2 years ago
6 0

Answer:

B. Hydrogen only uses the first energy shell, which holds 2 electrons, not 8.

Explanation:

As hydrogen is the first element in the periodic table and has the atomic number it can mix with a variety of elements, including itself, when two atoms of Hydorgen bond the bond they create fills up the first level of energy which only uses 2 electrons in order to be completed, which makes the bond stable by filling up the energy level.

Len [333]2 years ago
5 0
B ia the correct one .

Hydrogen only uses the first energy shell, which holds 2 electrons, not 8.
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3 years ago
Atoms of which element react spontaneously with mg2+ (aq)?
ehidna [41]
The complete answer contains the answer choices.


This is the complete question:


Atoms of which element react spontaneously with Mg2+(aq)? (1)chromium
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Answer: option 2. barium.


Explanation.


1) Mg ²⁺ (aq) is the aquous cation of the metal Mg.


2) Only a metal more reactive than Mg will be able to exchange with it the oxidation states.


3) Mg is an earth alkalyne metal (group 2 of the periodic table). The metals from this group are more reactive than the metals in the groups to its right: 3, 4, 5, 6, 7, ... Only the alkalyne metals (those in group 1) are more reactive than the earth alkalyne metals.


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5) Chromium, iron and zinc are transition metals, so less metallic (reactive) than Mg.
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3 years ago
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Since the number of atoms in a substance is so large , a unit to count them was created. This unit is the number of atoms in 12
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(Answer) This unit is the number of atoms in 12 grams of carbon-12 and known as Avogadro's number.

7 0
3 years ago
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