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nata0808 [166]
4 years ago
11

What would barium do to obtain a noble gas structure

Chemistry
1 answer:
Verdich [7]4 years ago
3 0
Ba has 2 electrons on its last level , so to obtain noble gas structure it has to loose 2 electrons, then it is going to have electron structure of Xe
Ba 
[Xe]6s²
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The bond order denotes:_____.1. the order of filling of bonding vs. antibonding orbitals. 2. the pattern in which Lewis dot stru
tiny-mole [99]

Answer:

an estimate of the strength of a bond.

Explanation:

The bond order is given as;

1/2(number of bonding electrons - number of anti bonding electrons)

The bond order tells us about the strength of bond. As the bond order increases, so does the strength of the bond because atoms involved in bonding come closer to each other as the bond length decreases.

Hence, bond order is an index of bond strength. Triple bonds are stronger than double bonds which are stronger than single bonds.

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3 years ago
A white coloured solid salt “A” on heating gives out two colourless gases “B” and “C”.
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3 years ago
Which of the following statements best defines Le Châtelier's principle?
8_murik_8 [283]
The answer is B. 

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3 0
3 years ago
Audrey is driving 50 miles in 2 hours what is her average speed ?
LenaWriter [7]
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5 0
3 years ago
Sodium is reacted with chlorine to produce sodium chloride. How much sodium chloride is produced when 45 grams of sodium reacted
77julia77 [94]

Answer:

114.7g

Explanation:

Given parameter:

Mass of Na = 45g

Unknown:

Mass of produced NaCl  = ?

Solution:

The reaction equation is shown below;

          2Na + Cl₂   →   2NaCl

Now, we solve from the known to the unknown. The known here is the mass of Na and it is sufficient to solve the problem;

         Number of moles  = \frac{mass}{molar mass}

 Molar mass of Na = 23g/mol

            Number of moles  = \frac{45}{23}   = 1.96moles

               2 mole of Na produced  2 moles of NaCl

              1.96 moles of Na will produce 1.96 moles of NaCl

Mass of NaCl  = number of moles x molar mass

                         = 1.96 x [23 + 35.5]

                         = 114.7g

5 0
3 years ago
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