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sukhopar [10]
3 years ago
12

Polarity occurs in which type of bond? covalent ionic metallic negative

Chemistry
2 answers:
marysya [2.9K]3 years ago
4 0
Covalent bonds is when polarity is formed
Masteriza [31]3 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

When there is transfer of electrons between two atoms then it results in the formation of ionic bonds.

Ionic bonds have opposite charges on its atoms and are strongly held by attractive forces. Therefore, polarity is induced in ionic compounds also due to difference in electronegativity of the two atoms.

Thus, we can conclude that polarity occurs in ionic type of bond.

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How are scented candles made?
marysya [2.9K]

Answer:

The aroma from a lighted scented candle is released through the evaporation of the fragrance from the hot wax pool and from the solid candle itself. Like unscented candles, properly-formulated scented candles will primarily produce water vapor and carbon dioxide when burned

Explanation:

7 0
3 years ago
Read 2 more answers
Which statement describes the energy involved in diffusion? Diffusion requires energy in all cases. Diffusion requires energy on
MArishka [77]

Answer:

Both b and d can be correct

Explanation:

Generally, diffusion does not require energy (<em>making option a wrong</em>) because it is the movement of particles from a region of high concentration to a region of low concentration hence diffusion moves particles in the direction of a concentration gradient. An example of this is the passive transport (for instance, uptake of glucose by a liver cell).

However, in some cases, when diffusion is against the concentration gradient (i.e when particles move from a region of low concentration to a region of high concentration), diffusion will require energy in a case like this (<em>making option c wrong</em>). An example of this is active transport (transport of protein called sodium-potassium pump which involves pumping of potassium into the cell and sodium out of the cell).

The explanation above shows that diffusion can require energy to move particles (in or out) of the cell through the cell membrane.

3 0
3 years ago
Read 2 more answers
From where do nuclear power plants get uranium?
Anvisha [2.4K]

Answer:

Uranium mines operate in many countries, but more than 85% of uranium is produced in six countries: Kazakhstan, Canada, Australia, Namibia, Niger, and Russia. Historically, conventional mines open pit or underground were the main source of uranium.

Explanation:

Hope this helps

4 0
2 years ago
What is the mass of 2.5 mol of ca, which has a molar mass of g/mol
swat32
Atomic mass Ca = 40 a.m.u

1 mole Ca ----------- 40 g
2.5 mols Ca -------- ( mass Ca )

Mass Ca = 2.5 x 40 / 1

Mass Ca = 100 / 1

= 100 g of Ca

hope this helps!
3 0
3 years ago
How is the accuracy of the oxygen determination affected by the addition of a gas into the stream that is reduced by a reaction
Ede4ka [16]

Answer:

Decreased because the method can not distinguish oxygen from the gas added

Explanation:

6 0
3 years ago
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