Which statement best describes the positions of the two elements in the periodic table?

Q: (After transferring 2 electrons, atom forms a X 2+ ion containing 10 electrons.) Identify element X…

A: Atomic number is equivalent to number of electrons or number of protons in neutral element, that is…

Q: Write the balanced chemical equation for the reaction of solid strontium with iodine gas.

A:

Q: Describe the basic features of the periodic table

A: A table in which the elements are arranged in the increasing order of their atomic number is termed…

Q: What is the one element that is not listed on the periodic table? and why?

A: Unbinilium is hypothetical element with atomic no. 120 is not present in the table.

Q: In general, atomic masses increase as you move across a row or down a column. This was one of the…

A: Given: Mendeleev periodic table To find: The two elements were placed in order that contradict…

Q: radius. Explain your reasoning in the given space here in this question. Only use qualitative…

A: As we know,  In periodic table if we move from left to right,  atomic radius decrease while top to…

Q: Define the terms nucleus and electron shell/orbital. Which subatomic particles are important for…

A: Nucleus is positively charged dense part of the atom. It is present at the center of the atom.…

Q: Rank the elements from highest to lowest ionization energy. To rank items as equivalent, overlap…

A: • The given elements are -  F, N, O, B , Li and Na    • We need to rank the given elements from…

Q: ) Based on their positions in the periodic table: What is the most likely charge of a magnesium…

A: We know that, Mg is in belong to Group 2 and O belong to group 16.

Q: Arrange the following set of elements in order of increasing first ionization energies. Ne N Li B C…

A: Ionization energy: The energy required to remove an electron from its gaseous atom or ion.

Q: In many Periodic Tables, a zig–zag line slanting down and to the right is shown in the p–block of…

A: 1.) On the basis of electronic configuration of elements, the periodic table is divided into four…

Q: Using its electron configuration, explain why antimony can form 3+ or 5+ cations.

A: Atomic number of antimony (Sb) = 51  So, it has total 51 electrons

Q: Which elements have only one electron shell? O carbon Ohydrogen O helium

A: The electron configurations of the given elements are:carbon: [He] 2s22p2hydrogen: 1s1helium: 1s2

Q: four elements in the main group (representative element) of the fourth period. a.Write its…

A: