which is the element with the lowest elecronegativity? WHICH OF THIS ANSWER IS CORRECT. A)  Francium b)helium c)neon d)lithium

Q: What is the ground state valence shell electron configuration of a group 4A element

A: The s orbital of the group 4A element has 2 valence electron and the p orbital has 2 valence…

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: (1) What is the valence electron configuration for the krypton atom? (2) What is the valence…

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Q: Which of the following elements have the largest atomic radius? A) Ba B) Sr C) Rb D) Cs

A: in periodic table, as we go from across a period from left to right atomic radius decreses. as we go…

Q: Use the electron configurations of the alkaline earth metalsto explain why they tend to form 2+…

A: We have alkaline earth metal, we have to explain why they tend to form the +2 ions.

Q: Write the electron configuration and orbital diagram for each ion and determine whether each is…

A: The electronic configuration of an element shows the distribution of electrons in the atomic…

Q: Of the following, which element has the highest first ionization energy? O A) neon B) argon C)…

A: Ionization energy is the energy required to remove the electron from outermost shell of an atom in…

Q: What does presenter say about the relationship between the number of valence electrons of the…

A: Main group elements consist of s-block and p block elements. s-block elements consist of alkali and…

Q: 2- Which of the following is wrong? O A) The outermost shell electronic configuration of the Kr…

A: The question is based on concept of atomic structure. it involves writing electronic configuration…

Q: Look at the locations of potassium andcalcium on the periodic table. Form a hypothesis toexplain why…

A: Potassium is found in 1st group and 4th period of the periodic table. It is in the column of alkali…

Q: All of the following statements concerning the characteristics of the halogens are true except…

A: Ionization energy is the amount of energy required to remove the outermost shell electron of an atom…

Q: Which element has the LARGEST atomic radius? O Mg O Cs O F

A: Mg Si Cs F                                    Which one has the largest atomic radius.

Q: 3. An element which shows a diagonal relationship with berylliun is A Oxygen B Magnesium C Вогon…

A: Diagonal  relationship A diagonal relationship is said to exist between certain pairs of…

Q: Write the electron configuration for Si7+ ion.

A: The arrangement of electrons in orbital shells and sub shells is the electronic configuration of an…

Q: Which of the following elements has the smallest first ionization energy? A) S B) O C) Si D) Sr E)…

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Q: (Q75) Which of the following elements would be expected to have the highest first ionization energy…

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Q: What is the best (lowest energy) electron configuration of fe3+?

A: The abbreviated electronic configuration is the simplified representation of electrons in the…

Q: Which one of the following statements is the best explanation for the increase of ionisation energy…

A: Given: energy of the alkaline earth metals increases when going up in a group.

Q: How does valency vary in a group and period in the periodic table?

A: As you go left to right across a row called periods, the number of valence electrons increase by 1.…

Q: Before the element scandium was discovered in 1879, it was known as “eka-boron." Predict the…

A: Scandium has an Electronic configuration of [Ar]4s2 3d1 and valence is 3 and it in between Calcium…

Q: What would be the electron configuration of a sulfur ion S-2

A: Answer: the electronic configuration of S2-  = 1s2 2s2 2p6 3s2 3p6 or [Ne] 3s2 3p6

Q: Which element resides in the third period under group 4A (14) of the periodic table? A) Ge B) Si C)…

A: Elements are arranged on the periodic table in the increasing order of their atomic masses.

Q: Which element would you expect to have the highest second ionization energy (IE2)?    Na, Mg, Al

A: Now to see the second ionization energy we write the electronic configuration of the elements: Na =…

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: Which of the following has the largest atomic radius? A) K¹⁺ B) S²⁻ C) Ar D) Cl¹⁻ E) Ca²⁺

A: Which of the following has the largest atomic radius?

Q: Write the electron configuration for xenon.

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Q: III. For each of the following questions, consider your knowledge of periodic trends and the table…

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Q: 7. Use an orbital diagram to describe the electron configuration of the valence shell of each of the…

A: The objective of the question is to describe the electron configuration of the valence shell of…

Q: Which of the following elements has the smallest atomic radius? As B Na Mg Br

A: The B (Boron) and Na (Sodium) has the smallest atomic radius.

Q: Which element had the smallest ionization energy , He , Ar , Xe

A: Ionization Energy (I.E.)- Amount of energy required to remove last shell electron of an isolated…

Q: Which of the following elements has the highest ionization energy? Ca Al Ne Ba Cl

A: As we move up to down in a group, the number of shell increases and valence electron experience…

Q: Which element has the highest first ionization energy? a) S b) Cl c) Se d) Br e) I

A: Ionization energy: it is the minimum energy required to remove the outermost valence shall electron…

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: Classify each element below as belonging to the representative elements, transition elements, or…

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Q: Which of these elements has the smallest first ionization energy?                         A)    Cl…

A: Ionization energy is the minimum energy required to take out a valence electron(s) from an atom in…