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3 years ago

How can the partial charges be shown in a polar covalent molecule?

1 answer:

7 0

Δ, namely δ− or δ+. Partial chargesare created due to the asymmetric distribution of electrons in chemical bonds. For example, in a polar covalent bond like HCl, the shared electron oscillates between the bonded atoms.

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Which one of the following substances would have the lowest melting point? A) Cl2 B) HI C) H2O D) CCl4

Irina-Kira [14]

In the given examples, Cl2 and CCl4 are non-polar and held by covalent bonds. HI and H2O are polar molecules and held by ionic bonds.

Since covalent bonds are weaker than ionic bonds, Cl2 or CCl4 must have the lowest melting points. Among the two, Cl2 has a lower molecular mass than CCl4, hence Cl2 must have the lowest melting point.

Ans A) Cl2

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3 years ago

Read 2 more answers

What happen when Nacl solution reacts with AgNo3 solution

Anna71 [15]

Answer:

hii

Explanation:

NaCl + AgNO3 = AgCl + NaNO3

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3 years ago

Below are 10 different metric prefixes and their abbreviations. Match them up. :)

Sladkaya [172]

Answer:

1.G → giga

2.da → deca

3.n → nano

4.m → milli

5.M → mega

6.k → kilo

7.c → centi

8.d → deci

9.h → hecto

10.µ → micro

Explanation:

In descending order:

1.G → giga (1 . 10⁹)

5.M → mega (1 . 10⁶)

6.k → kilo (1 . 10³)

9.h → hecto (1 . 10²)

2.da → deca (1 . 10¹)

8.d → deci (1 . 10⁻¹)

7.c → centi (1 . 10⁻²)

4.m → milli (1 . 10⁻³)

10.µ → micro (1 . 10⁻⁶)

3.n → nano (1 . 10⁻⁹)

In example:

1000000 m = 1 Mm

0,000000001 m = 1 nm

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3 years ago

What is the decreasing order of atomic size F, Mg, Sr, P

lesya692 [45]

Answer:

Sr, Mg, P, F

Explanation:

The trend for decreasing radii size is up and to the right of the Periodic Table.

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3 years ago

Science / Chemistry Worksheet

kaheart [24]

Explanation:

K2O Now the cation is the element at the front so it would be K2 because the 2 belongs with the K which is Potassium and now Anion is the last element O for oxygen

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4 years ago