Why alkali metals donot exist as free in nature?

Q: Copper (I) compounds undergo disproportionation. Write the chemical equation for the reaction…

A: A disproportionation reaction is defined as the reaction in which a single chemical species undergo…

Q: 4. The wrong statement about VA group Hydrides is

A: The term hydride is used after a binary compound when an element react with hydrogen

Q: Even though EN values vary relatively little down Group 4A(14), the elements change from nonmetal to…

A:

Q: Why is there objection in the use of Hydrogen Sulfide in group cations?

A:

Q: How are Metallic hydrides formed?

A: ANSWERE IS DISCUSSED BELOW ;

Q: Cesium tends to be the most reactive of the stable alkali metal. What atomic property of radioactive…

A: Cs is considered to be a radioactive metal. It is larger in size and its reactivity is very high. If…

Q: Even though EN values vary relatively little down Group4A(14), the elements change from nonmetal to…

A: The elements in a modern periodic table are arranged in increasing order of their atomic number. In…

Q: (ii) In Complete the table below giving the formulae of the oxides of the elements Element Li Be в C…

A: The question is based on the concept of periodic  properties of elements. we have to write formula…

Q: Explain quaternary Metal oxides?

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

Q: Write a first draft summary summarizing the properties ofeach of the following groups Group 4A,Group…

A: ------> Group 4 elements AppearanceThe expected similarity in appearence bewteen elements in the…

Q: Chlorine reacts with oxygen to form Cl2O7. (a) What is thename of this product ? (b) Write a…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the electron sea model for bonding in metals?

A: Ionic bonding involves transfer of e- and covalent bonding involves sharing of e- between atoms.

Q: A ferromagnetic element is one that O a there is no magnetic force Ob magnets strongly attract…

A: The ferromagnetic elements are:

Q: What is a tetrahedral hole?

A:

Q: 20 The generic lonic compound, MX is composed of metal M and gemerie geous halogen X Caleulate its…

A: Lattice energy is the energy released when one mole of an ionic compound is formed from its…

Q: Select the member of group 4A that best fits each description:(a) has the lowest first ionization…

A: (a)

Q: Mercury(I) chloride and all other Hg(I) salts are diamagnetic. Explain how this can be true.

A: A substance is said to be diamagnetic if it's atoms have net dipole moment is zero .

Q: What safety precautions should be taken with selenium? I am preparing to remove selium from water…

A: Selenium is an essential metal for human and other animals, but taking higher doses can be harmful.

Q: Does sodium sulphide and calcium permanganate and iron oxide and nitride oxide and carbon fluoride…

A: In the given chemicals, sodium, calcium and iron are the metal ions.Calcium is an alkali metal and…

Q: What are the identidication tests used for the group III and IV elements? Give comprehensive…

A:

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: (a) What are the common oxidation states of the halogens?(b) Give an explanation based on electron…

A: To explain the oxidation state of the halogens

Q: (a) A alkali metals react withhydrogen to form hydrides and react with halogens to formhalides.…

A: Alkali metals are the elements of the periodic table placed in group-1. They are most…

Q: Explain why Be and Mg form metallic hydrides instead of ionic hydrides like the other elements in…

A: Be and Mg forms metallic hydrides instead of ionic hydrides and the two possible reasons are their…

Q: How is Vanadium a Problem and an opportunity?

A: Interpretation: How vanadium is a problem and an opportunity is to be determined.

Q: In addition to interhalogen compounds, many interhalo-gen ions exist. Would you expect interhalogen…

A: Interhalogen ions are the  group of polyatomic cations and anions that only contain halogen atoms.…

Q: Why lithium only forms oxides but not peroxides?

A: The compound in which element is combined with oxygen atom is known as oxide. The oxidation state of…

Q: Name two metals which occur in nature as oxides.

A: Metals are the elements which lose electrons to acquire a stable electronic configuration. When loss…

Q: Predict whether the bonding in the oxides of the following elements is covalene or ioe Explain your…

A: The bonding in the oxides of the Aluminum and phosphorus is explained as follows.

Q: Elemental C has one of the highest atomization energies on the periodic table at 717 kJ/mol. Explain…

A: Possible reasons for High ionisation energy are larger effective nuclear charge, smaller size and…

Q: Which of the following is not an allotrope of phosphorus? A) red phosphorus B) white phosphorus C)…

A: Option C is correct.

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: What is the trend in first ionization energies as one proceedsdown the group 7A elements? Explain…

A: The trend in first ionization energies in group 7A elements has to be given.

Q: Why do alkaline earth metals have low ionization enthalpy?

A: Solution;- Alkaline earth metals have the lowest ionization enthalpy

Q: Why is it not possible to displace fluorine from metallic fluorides by any other halogens? Explain…

A: It is not possible to displace of fluorine from metallic fluorides by any other halogens reason is…

Q: Alkaline earth metals are involved in two key diagonal rela-tionships in the periodic table. (a)…

A: (a) Two alkaline earth metals; Be and Mg exhibits diagonal relationship. The pair of elements are…

Q: Which group(s) of the periodic table is (are) described byeach of the following general…

A: (a)

Q: Why is it not possible to displace fluorine from metallic fluorides by any other halogens? Explain…

A: It is not possible to displace fluorine from metallic fluorides by any other halogens :

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.