4. Which element has higher second ionization energy? Cr or Mn:

Q: True

A: A statement is given and asked that the given statement true or false.

Q: What are the valence electrons for a first row transition metal? both the 4s and 3d electrons the 3d…

A: What is valence electron of transition metal ?

Q: Place the following isoelectronic ions in order of increasing ionic radius (i.e., from smallest to…

A: The electron configurations of the given isoelectronic ions are, Y3+ = 1s2 2s2 2p6 3s2 3p6 3d10 4s2…

Q: [Select] ✓ [Select] Mg Be K Cs ng elements in increasing order of metallic character. The top =…

A: Here we are required to determine the increasing order of metallic character

Q: 15. Which alkali metal has the smallest atomic radius? 16. Which alkaline earth metal has the…

A: We need to determine the element that matches the given property

Q: Determine if each element is diamagnetic or paramagnetic. Mn Zn [Choose ] [Choose ]

A:

Q: All of the following pairs of ions are isoelectronic except which one? A) Al³⁺ and N³⁻ B) Fe²⁺ and…

A: Isoelectronic species are those species that have the same number of electrons. A) Al³⁺ and N³⁻…

Q: The following is the electron configuration of a nonexistent transition metal. electron…

A:

Q: Choose the element in each pair that has the higher first ionization energy. Br or Bi…

A:

Q: What are the two transition metals that areused in making jewelry and are the group 11 elementswith…

A: To find: The two transition elements present in group 11 elements used in jewelry making with low…

Q: Which of the following has the largest second ionization energy? O In O Sn OSr Rb O Sb

A: Second ionisation energy is defined as the energy which is required to remove the outermost electron…

Q: Describe the periodic trends in radii?

A: Atomic radii increases as we move down the group because effective nuclear charge decreases. So…

Q: The electron configuration for vanadium (V) is O [Ar] 4s2 3d3 O [Ar] 4s2 3 O [Ar] 3d None of these

A: The distribution of electrons in an element's atomic orbitals is described by its electron…

Q: Write the ground state electron configuration for atom and ion pair.  Mn, Mn 4+

A: To write the electronic configuration, the following rules need to be followed: Aufbau Principle:…

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: Which elements are in the fırst transition series? Sc through Cu Y through Ag O Hf through Au Rf…

A: The first transition series starts  with  scandium (symbol Sc, atomic number 21) and ends with zinc…

Q: 9. Explain why the electron affinity for Mg > Ca (less positive)?

A:

Q: What family of elements are the most active metals ?

A: What family of elements are the most active metals has to be given.

Q: Silver nitrate is added to each of the aqueous solutions: [Cr(NH3)3Br3], [Cr(NH3)6]Br3, and…

A: In coordination compound if have primary valency like chloride, bromide, iodide react with AgNO3to…

Q: Which has a greater ionization energy, Be or Mg

A:

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

A: False

Q: what element has the largest atomic radius in period 2

A: Periodic table is the arrangement of elements in columns and rows. We have been asked the element…

Q: Give the ground state orbital diagram of Mn

A: The electronic configuration of manganese, atomic number 25, is 1s22s22p63s23p63d54s2 The atomic…

Q: Arrange these elements from largest atomic radius to smallest atomic radius: Rb Li K Cs Na

A: Since,As we move from left to right in a period then atomic radius decreases .But when we move from…

Q: Which element has the highest second ionization energy: Li,K, or Be?

A:

Q: Which element has the smallest radius? S, Nb , Cs

A: Atomic Radius- It is defined as distance of last shell electron from nucleus of an atom is called…

Q: Define the term transition elements?

A: ● Transition elements (also known as transition metals) are elements that have partially filled d…

Q: Which element does not belong to the first transition series Iron O Chromium O Magnesium O Nickel

A: Transition elements: Transition elements are the elements which are having partially or incompletely…

Q: Draw a partial (valence-level) orbital diagram, and write the condensed ground-state electron…

A: a.

Q: Which transition-metal ion with a 3+ charge has the electron configuration [Kr]4d?

A: Transition metal atom and ions are those elements which lie in between s and p block elements and…

Q: what are some common properties of the transition metals in group 3-12

A: Interpretation- To write common properties of transition metals in group 3-12

Q: Write the net ionic equation for the following (including the corresponding charges): Ti(NO3)4 +…

A: Chemical reactions are of many types. One of them is the precipitation reaction. In these reactions,…

Q: which of the d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

Q: Give an example of an ion from the first transition series with no d electrons.

A: A transition metal can form one or more stable ions that may have incomplete electron occupied…

Q: What are the basic principles on which Atomic Fluorescence Spectroscopy is based?

A: The basic principles on which atomic fluorescence spectroscopy is based has to be given.

Q: Which element has the largest radius? Ga, Al, or In

A: Given, elements Ga , Al and In  All of these belongs to the same group.

Q: Which of the following elements has the smallest ionization energy?      Li     Na     Be…

A: Li  , K , Na and Rb belong to same group and among them Li has highest ionisation energy and Rb has…

Q: Which of the following elements has the largest second ionization energy and why? Li Na B F

A: The second ionization energy is the energy required to remove the second electron from an atom or…

Q: Which ion has five electrons in the 3d subshell? Fe4+ Co4+ Mn4+

A: Filling of electrons in atomic orbital follow Aufbau principle.It states that electrons are filled…