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dimaraw [331]
3 years ago
15

Draw a Lewis Dot Structure for the following element P

Chemistry
1 answer:
Mkey [24]3 years ago
6 0
Lewis dot structure for phosphorus

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In a Lewis diagram for methane (CH4), which atom or atoms is inside, or central?
Ahat [919]

Answer:

B carbon

Explanation

Lewis structure or dot structure is an easy way to get the bonding details of atoms in a molecule. If we talk about methane molecule carbon is central atom with four electrons that are bonded to four hydrogen atoms and each bond is single covalent bond.

Please see attached figure,

Hope it helps!

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How many atoms are in a casein molecule?
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The heavy atom count of a casein molecule is 143 I believe
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How many mm are in 3.6 km?
Rainbow [258]

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3.6km = 3.6e+6mm

Explanation:

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A binary compound created by reaction of bismuth and an unknown element E contains 52.07% Bi and 47.93% E by mass. If the formul
yulyashka [42]

Answer:

Atomic mass of E is 128.24

Explanation:

  • The percentage composition by mass of an element in a compound is given by dividing the mass of the element by the total mass of the compound and expressing it as a percentage.
  • In this case; the compound Bi₂E₃

Percentage composition of bismuth = 52.07%

Percentage composition of E = 47.93%

Mass Bismuth in the compound is (2×208.9804) = 417.96 g

Therefore,

To calculate the atomic mass of E

52.07% = 417.96 g

47.93% = ?

            = (47.93 × 417.96 ) ÷ 52.07 %

            = 384.729

         E₃ = 384.729

Therefore; E = 384.729 ÷ 3

                     = 128.24  

The atomic mass of E is 128.24

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3 years ago
The chemical properties of calcium and strontium are similar because both
Feliz [49]

Answer:

Number of valence electrons

Explanation:

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