Carbon dioxide (formula = CO2) has a higher boiling point than nitrogen gas (formula = N2), despite that they have the same number of electrons and protons and roughly the same mass. Explain why.

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A: Effective nuclear charge = number of protons - number of core electrons

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Q: 20. How many domains are there around the central atom in H2O? A. 1 B. 2 C. 4 D. 3

A: To tell the number of domains around the central atom.

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A: mixing of orbitls of comparable energy is known as hybridisation

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Q: electronic configuration

A:

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A:

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A: Formation of ionic compounds between Al and S  Answer is d  Al2S3

Q: _Fe,O, + _2__Al → _2_Fe + AlO,

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Q: How the ns2 configuration accounts for the key differences between Groups 1A(1) and 2A(2) .

A: Given that Group 1A -  Alkaline metals Group 2A - Alkaline earth metals

Q: a) V2Os+2 H2 → VO, + 2 H,O b) 2 K+ Br 2 K* + 2 Br

A: Oxidising agent is that substance which itself reduces and bring the oxidation of other .

Q: 6. List the following from most likely to least likely to exist: TeBr6 ТеBr4 PF4 Sel6 Tel6 Explain:

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A:

Q: An element X reacts with oxygen to form XO2 and with chlorineto form XCl4. XO2 is a white solid that…

A: Given that the An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a…

Q: In the crystal structure of CsCl (cesium chloride), Cs + ions form the base of a cube while a Cl−…

A: GIVEN: In the crystal structure of CsCl (cesium chloride), Cs + ions form the base of a cube while…

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Q: Q6 / B/If a pure Silicon crystal has 2.5 million free electrons inside it. How many holes does it…

A: Given: Number of free electrons in pure silicon crystal =2.5 million.

Q: (1) Which is a triatomic molecule? a) NO2 b) Cl2 c) CuCl2 d) HBr e) AsH3 f) NaNO3 g) CaO

A: Note : As per our guidelines we are supposed to answer first question please repost the other…

Q: A fictional compound contains two elements.  Here's what you know: Alchemium (X): a nonmetal…

A:

Q: An element X reacts with oxygen to form XO2 and with chlorineto form XCl4. XO2 is a white solid that…

A: Given that the An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a…

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Q: SF PO CCK cloa 2 1314 which violate the atet rule

A: Introduction :  We have to tell which of the following will follow octet rule .

Q: Fluorine can also react with another gas, E(g), according to the following equation. E(g) + 2 F2(g)…

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Q: Describe the j.j thomson atomic model

A: J.J thomsan in 1898 proposed a model call J J Thomson atomic model of atom.

Q: Which of the following has the smallest radius? Cl- S2- Ca2+ K+ Ar

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Q: The correct chemical formula for the combination of Ca2+ and PO43- is:

A: The combination of  Ca2+ and PO43-    :

Q: Q13 In the formation of a compound A2B3, two atoms of A lose three electrons each while three atoms…

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Q: en Xe and F in xenon difluoride, XeF2?

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Q: What is the chemical formula of difluoride heptasulfide? * a. FS, b. F2S6 А. c. F2S7 d. F,S2 D. B.

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Q: Consider the foilowing substances to answer the questions below. For each question (a, b, c), write…

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Q: Q4/What is the Difference between Atomic Structure and Crystal Structure?

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Q: 1) OsO4 HC1 А А 2) NaHSO3/H,O b) NBS 1) O3 В + С hv В + С 2) Zn/HOAC

A: In question a) shows the reaction of the double bond with the OsO4 which gives the product A…