#6 Which element meets all of the following conditions? is smaller than indium, In has only one unpaired electron has a higher ionization energy than silicon is more electronegative than carbon is bigger than oxygen

Q: The high reactivity of Fluorine in groupVII (Group 17) K is due to 1. the weaker F-F bond 2. the…

A: Fluorine is an element represented by the symbol F and is present in halogen family. The atomic…

Q: Which of these ions always be a Spector ion? -Nitrate ions -Fluoride ions -Hydroxide ions -Copper…

A: Spectator ions are the ions which do not invovled in the net ionic equation. That is these ions are…

Q: For the element manganese (Mn), select the charge(s) Mn ions will prefer. Hint: write the electron…

A: The most stable oxidation state (oxidation number) for manganese ion  2+, which has a pale pink…

Q: which one of the fellowing elments will be paramagnetic? argon helium zinc sodium berylium

A: Paramagnetic is element in which electrons are not paired.

Q: Arrange these elements in order of increasing first ionization energy

A: A tabular array of the chemical elements which are organized by atomic number is called as periodic…

Q: QUESTION 6 Which of the following traits characterises the alkali metals? very high melting point…

A: Alkali metals are group 1 elements.

Q: Transition metals lose the d - electrons FIRST, THEN lose the valence electrons necessary for the…

A: False

Q: For which of the following properties does nitrogen have a larger value than oxygen? Group of answer…

A: The variation or the change of atomic radius , electronegativity and ionization energy can be…

Q: Which transition metal ion has a noble gas electron configuration? O CO3+ O V5+ O Zn²+ Mn4+ Cu²+

A: To solve this problem we have to write the electronic configuration of the given ions .

Q: Calculate the energy released per ion pair of the following reaction: Na(g) + H(g) - > NaH(g) The…

A: The objective is to determine the energy released.Given:First ionization energy…

Q: There is a general trend in the ionization energies that says that the ionization energies increase…

A: We need to find the correct statements about ionization energy. There is a general trend in the…

Q: Which of the following ions has the smallest ionic radius?  S-2 Cl- P-3

A: We have been given three ions S-2, Cl- and P-3 and we have been asked which ion has smallest ionic…

Q: Relate the change in atomic radius to the changesin atomic structure that occur across the…

A: In the periodic table, elements are arranged according to their electronic configuration. As the…

Q: bout magnesium, except?  A) The third ionization energy of magnesium is significantly higher…

A: Magnesium  has 2 electron in its valence shell and it forms bipositive ion i.e Mg+2.  Also it is…

Q: Which one of the following atoms has the largest radius? OP O CI O Si Ο Al OS

A: The atomic radius of the elements increases as we move down the group in the periodic table. Again,…

Q: Periodicity of Halogens PRELAH 1. Which of the halogens has the highest ionization energy? 2. Which…

A: Halogens  Halogens are 17th group elements in the periodic table.(F,Cl,Br and I). Ionisation energy…

Q: An atomic anion with a charge of -2 has the following electron configuration: [Ar] 4s°3d104p° What…

A:

Q: Give the noble gas abbreviated electron configuration for the two thallium ions using the orbital…

A: To solve this problem first we have to decide the number of core electrons . Then we will write the…

Q: If X is in the period 5, the ion formed has the same electron configuration as the noble gas

A: From the given Lewis diagram, we can see that there is only 1 valence electron in the element  And…

Q: What is the maximum number of electrons that can be present in the principal level for which n=5? O…

A: Principle quantum number n= 1, 2, 3, 4, 5.... Maximum electrons in 5th shell = 5n2

Q: arrange the following in order of increasing radius and increasing  ionization enegy  n+,n,n-

A: Atomic radius: The distance of the outermost electron from the nucleus is known as the radius of the…

Q: Briefly describe how lithium ion is used in anti-depression medication.

A:

Q: Which transition metal ion has a noble gas electron configuration? O V5+ O Mn4+ Cu²+ O Zn²+ O CO³+

A: Given, Which transition metal iron has a noble gas electron configuration: V5+ Mn4+ Cu2+ Zn2+ Co3+

Q: Discuss the different property trends of the elements ( for example atomic and ionic radius,…

A: ATOMIC RADIUS :-  The atomic radius of a chemical element is a measure of the size of its atoms,…

Q: which element is most commonly bonded to the acidic hydrogen?

A:

Q: Which of the following ions/atoms has the largest radius O K* O Ar O Ca2+ s2-

A: The ionic radius of an ion is the radius of a monoatomic ion in an ionic crystal structure. The…

Q: Arrange the nonmetal elements of period 3 in order of decreasing melting point.

A: The melting point of a substance is the temperature, at which the solid phase converted to the…

Q: Which one of the following elements has a +2 ion with 2 unpaired electrons?  Be Ge Co Ni Fe

A: The solution is as follows:

Q: Which element in the periodic table has the highest number of allotropic forms?

A: Allotropes are the different structural forms that have different number of same element.  Actually…

Q: Judging from their relative positions in the Periodic Table, which element in each set is more…

A:

Q: Complete the tables above. What is the trend in the atomic radius across the period, also explain…

A:

Q: Regarding atomic radius which of the following is false? 1. The atomic radius of an anion is…

A: To find: The false statement

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: Identify the wrong statement in the following? Atomic radius of the elements • increases as one…

A: Here we are comparing size of ions

Q: Place the following in order of increasing atomic radius.

A:

Q: Among the listed elem OF OLi OS

A: Ionization energy is minimum  energy required to remove an electron from an isolated gaseous atom.…

Q: Conclusions 7. List the metalloids. Research their properties and complete the table. Put an X in…

A: The arrangement of the elements based on their atomic number as rows and groups provides the…

Q: Given the information in the following table for the Group 7 elements, which of the following would…

A:

Q: In the following elements, has the highest ionization energy. O helium O potassium O argon O sodium

A: There are many factors which control the value of ionization energy. These are-  (1) electronic…

Q: ELEMENT X HAS AN ATOMIC NUMBER OF 9 How many atomic orbitabls does atom X have? How many shells do…

A:

Q: ) arrange the following atoms in order of increasing electro negativity  carbon, nitrogen, oxygen,…

A: Electronegativity is the tendency of an atom to attract shared electrons to itself. We measure…

Q: explain why the ionic radius of cation are less than with its atomic radius and the ionic radius of…

A: Concept is based on Ionic radius and size of the atom.

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.