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zhannawk [14.2K]
3 years ago
6

Which has the smallest electronegativity? a Calcium b Argon c Hydrogen d Bromine

Chemistry
1 answer:
Mademuasel [1]3 years ago
4 0

Answer: Calcium

Explanation:

Calcium has only one electronegativity.

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C.75%. Because the B is dominant 
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Does the motion of the moon affects how we see it from Earth? *
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Which best explains why water is able to “stick” to the side of glass?
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Explanation:

Adhesion means the ability to stick on the surface of another substance.

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These adhesive forces between the glass and water enough that it deforms the spherical shape of water molecules and help them stick to the surface of glass. As a result, adhesive forces overcome the repulsion between like molecules.

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3 years ago
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Why are tigers and lions able to mate to produce cubs,but those cubs would not be able to go on to produce any off spring
Sveta_85 [38]

Answer:

Tigers and lions able to mate to produce cubs,but those cubs would not be able to go on to produce any off spring because their sex chromosomes do not match.

Explanation:

  • Tigers and lions mate to produce ligers and tilons but they do not produce viable sperms or egg.
  • In an organism there are two copies of chromosomes present in the somatic cells.
  • But in case of sex cells they receive each set from mother and father. which they duplicate and divide during formation of gametes via meiosis.
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4 0
3 years ago
0.28gram of NH3 on decomposition gave 0.25gram of nitrogen and hydrogen. Find the volume of hydrogen evolved at Ntp. (2gram hydr
hodyreva [135]

The volume of H₂ evolved at NTP=0.336 L

<h3>Further explanation</h3>

Reaction

Decomposition of NH₃

2NH₃ ⇒ N₂ + 3H₂

conservation mass : mass reactants=mass product

0.28 NH₃= 0.25 N₂ + 0.03 H₂

2 g H₂ = 22.4 L

so for 0.03 g :

\tt \dfrac{0.03}{2}\times 22.4=0.336

7 0
3 years ago
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