under what conditions can noble gases form compounds and exhibit valency?

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if ... Element/Ion/Radical. Symbol. Valence/Oxidation Number. Aluminum. Al. 3+. Antimony. Sb. 3+, 5+. Arsenic. As. 3+, 5+. Barium. Ba. 2+. Bismuth. Bi. 3+. Boron. B. 3 ... Jan 1, 1970 ... Option 1, which states that the valency depends on the total number of protons in an atom, is incorrect. The number of protons in the nucleus of ... Oct 15, 2022 ... Answer: (a) Element A forms an oxide A 2 O 5 . Crossing the valencies, we can see that the valency of O (oxide) is −2 and that of element A is 5. Feb 7, 2018 ... The elements are ordered in the Periodic Table by their valences. But here is the rule, and the direct answer to your question: The first column all have a ... Jul 18, 2013 ... The compounds exhibit low valency on the second/third long period component, and normal valency on the A-element. Group 14 elements have 4 valence electrons in their outer shell. The lighter of these elements can form both cations with a +4 charge, and anions with a -4 ... Sep 9, 2023 ... Answer ... Answer: if the number of valence electrons is known, the number of electrons gained or lost or shared by the atom in order to acquire ... What is the valency of element A? This question was previously asked in. RRB ... Simple Oxides are made up of one metal and carry only that number of oxygen atoms ... Any element in group 1 has just one valence electron. Examples include hydrogen, lithium, Li, and sodium. Any element in group 18 has eight valence electrons.