Which element would you expect to be more metallic?(a) S or Cl(b) In or Al(c) As or Br

Q: 5. The atoms and ions Ne, N³-, F-, Mg2+, and Si++ are part of an isoelectronic series. (a) Which of…

A: Isoelectronic species have same number of electrons in them.

Q: Choose the element with the larger atoms from each pair.(a) Al or In (b) Si or N(c) P or Pb (d) C or…

A: Increasing order of size:   (a) Al < In   (b) N  <  Si   (c) P < Pb    (d) F  <  C…

Q: . Which two sets contain species that are isoelectronic with each other? (a) Li+, H- , He (b) Ca2+,…

A:

Q: On the basis of periodic trends, choose the more metallic element from each pair (if possible).(a)…

A: The metallic character decreases across the period and increases down the group. a. The Ge and Sn…

Q: An element has the following electronic configuration: [Kr]4d105s25p2 (a) What period does it belong…

A: An element has the following electronic configuration: [Kr]4d105s25p2

Q: Tell what sublevels there are in each of the following energy levels, and explain each answer in…

A: Q.4) Here energy levels are given and we have to find sublevel in these energy levels. •Please pay…

Q: Consider S, Cl, and K and their most common ions. (a) Listthe atoms in order of increasing size. (b)…

A: a.

Q: On the basis of periodic trends, choose the more metallic element from each pair (if possible).(a)…

A: The periodic table consists of elements arranged bases on the atomic number. On examining the…

Q: Use electron confi gurations to explain (a) why arsenic can acquire charges of 23 and 13 but not 12…

A: Any atom's electronic configuration always helps in defining its valence electrons. The…

Q: A neutral atom with an atomic number of five has how many electrons? (A) 1 (B) 5 (C) None (D)…

A: Given that, Neutral atom having atomic no. =5

Q: 23. Tin (in group 14) can form both Sn²+ and Sn²+ ions, but magnesium (in group 2) forms only Mg²+…

A: Given that, tin (in group 14) can form both Sn2+ and Sn4+ ions, but magnesium (in group 2) forms…

Q: Due to periodicity, which element would you expect to behave most like molybdenum? (a)   Tungsten…

A: The periodicity is repetition of elements with similar properties after certain regular intervals…

Q: (c) Explain why the d block elements zinc and scandium are not transition elements. (

A: Sc and Zn both are d-block elements .

Q: choose three . What are the characteristerses of a metal like element? (a) they try to get…

A: Since the metals are those elements which has a tendency to lose electron to complete there octet…

Q: Identify each statement as true or false: (a) Cations are largerthan their corresponding neutral…

A: Given statements,    (a) Cations are larger than their corresponding neutral atoms    (b) Li+ is…