Why Lanthanoides and actinoides are placed at the bottom of the periodic table?

Q: Why are main group elements much simplier than the transition metals?

A: Introduction- The whole of periodic table is divided into- Main group elements- The elements of…

Q: Summarize the physical properties of the elements ingroup 14.

A: The elements present in group 15 are Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn), Lead (Pb),…

Q: Explain quaternary Metal oxides?

A: Metal oxides are made up of metal cation and oxygen anion. for distinguishing the metal oxides , one…

Q: concentration

A: The ion-exchange membrane is a semi-permeable membrane which transports certain dissolved ions,…

Q: Why arsenic 3 is more toxic than arsenic 5? Relate its chemical structure.

A: Please find your solution below : Arsenic toxicity is a medical condition which occurs because of…

Q: Explain why phosphorus forms pentahalide whereas nitrogen and bismuth do not?

A: The geometry (or hybridization) of a molecule depends on the electrons present in the outer shell as…

Q: (a) Why is calcium generally more reactive than magnesium?(b) Why is calcium generally less reactive…

A: a.

Q: Why are bromine atoms more reactive than bromide ions?

A: We know ions are formed either by loss or gain  of electron to reach a noble gas configuration or…

Q: Which of the following statement is untrue regarding halogen? Can exhibit multiple oxidation state…

A: Group 17th or the second last group of the periodic table is known as the halogen group.

Q: How do alkali metals differ from alkaline earth metals in atomic structure and general properties?

A: The alkali earth metal include: Li, Na, K, Rb, Cs and Fr. They have a valence electronic…

Q: What is a tetrahedral hole?

A:

Q: 21. The halogen element that has the most attraction for the hydrogen electron is a. fluorine b.…

A: Introduction: The electronic attraction power of an element is called electronegativity. The higher…

Q: Why is nitrogen innert

A: Nitrogen (N) is an element with atomic number 7 which exists as dinitrogen gas (N2) at room…

Q: Why would you say that Space Shuttles rather use hydrogen as its primary fuel source?

A: The Space Shuttle was a partially reusable low earth orbital spacecraft system.  It is operated by…

Q: Do you expect fluorine to be the strongest or weakest oxidizer among the halogen family? Which halid…

A:

Q: which element would be the most reactive: magnesium or strontium.

A: Reactivity order of Mg and Sr =?

Q: This elements produced bright yellow flame when used in fireworks. * Ве Ca O Sr Mg Group 2 elements…

A: Answer Q=1 which element produce bright yellow flame when used in…

Q: Which noble gas is the most abundant in the universe? In Earth’s atmosphere?

A: Noble gases are the elements of group 18 of the periodic table. Another name given to them is inert…

Q: Why does lithium form covalent bond unlike other alkali which forms ionic bond?

A: Generally greater polarizing power of ion increases the covalent character. Lithium forms covalent…

Q: Which element is most reactive with water? [A] Ba [B] Li [C] Ga [D] Cs

A: Reactivity of an element depends on the ionization energy of the element. Higher is the ionization…

Q: How do the acidities of the aqueous solutions of the alkaline earth metal ions change in going down…

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Q: what is technical terms for Dihydrogen oxide?

A: Name of a compound is given here.The name is Dihydrogen oxide. We have to write it's technical term…

Q: explain Tertiary Metal Oxides?

A: Metal oxides are of 3 type -  Metal monoxides  Binary metal oxides  Ternary metal oxides

Q: What is the generic outer electron configuration for the alkaline earth metal

A: Group 2 elements are known as alkaline earth metals.

Q: What's the number of unpaired electrons in sulphur and why

A: Sulfur having atomic number 16

Q: Why is Group I elements known as the most electropositive element?

A: Electropositive nature of the elements is determined by their ability to lose the valence electrons.…

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: Iron(II) fumerate (also called ferrous fumerate) is prescribed for patients suffering from iron-…

A:

Q: Explain why the first innization energy of Ca is greater than that of K, whereas the second…

A: The first ionization energy of Ca is greater than that of K, whereas the second ionization energy of…

Q: Write a general equation for the reaction of an alkali metal with each substance.a. a halogen b.…

A: Alkali metals are first group elements. They show a fixed valency of +1. Halides show -1 unit…

Q: Why do Iodine crystals cause carbon tetrachloride solutions to change its colors? And why it (iodine…

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Q: What are the different Selenium components?

A: Please find your solution below : Selenium is a broad range of tools and libraries which is used to…

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…