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3 years ago

Which sentence describes the bond formed between two identical atoms?

Chemistry

2 answers:

kicyunya [14]3 years ago

5 0

Answer:

B. The electrons involved in the bond are shared equally between the

atoms.

- A P E X

Lilit [14]3 years ago

3 0

The best answer is C

Since identical atoms would have the same electronegativity, thus making its electronegativity difference close to zero, if not equal to zero (O), making the bond between the two to be covalent. Thus, a chemical bond formed between two identical atoms is a covalent bond.

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5. 54 J of heat is required to raise the temperature of a 2.47g unknown substance from 17.10C to 46.70C. a) Calculate the specif

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3 years ago

8. A student found the mass of an object to be 26.5 g. To find the volume, the student submerged the object in a graduated cylin

LenKa [72]

Answer: The density of the object is 1.10 g/ml

Explanation:

To calculate the mass of water, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

Density of object = ?

Mass of object = 26.5 g

Volume of object = volume of water displaced = 24.1 ml

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3 years ago

what type of element can turn into both solid and liquid form depending on the temperature of its surroundings ?

lorasvet [3.4K]

<em>Answer:</em>

<em>An Atom can turn into both solid and liquid form depending on the temperature of its surroundings </em>

<em>Explanation:</em>

<em>Scientists have discovered a new state of physical matter in which atoms can exist as both solid and liquid simultaneously. Researchers have found, however, that some elements can, when subjected to extreme conditions, take on the properties of both solid and liquid states.</em>

7 0

3 years ago

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In the following reaction, when the equation is correctly balanced, what is the correct coefficient for sodium chloride? Pb(NO3)

11Alexandr11 [23.1K]

Answer: Thus the correct coefficient for sodium chloride is 2.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical reaction is:

$Pb(NO_3)_2(aq)+2NaCl(aq)\rightarrow PbCl_2(s)+2NaNO_3(aq)$

Thus the correct coefficient for sodium chloride is 2.

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3 years ago

What happens when nitrogen fills its valence shell?

Sauron [17]

The right answer is D. three electrons are gained, creating N-3

Nitrogen has 5 electrons in it's valence shell and octet rule states that the valence shell must have 8 electrons. To satisfy that, Nitrogen gains 3 electrons that are negatively charged.Therefore, it gets a negative charge.

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3 years ago

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