Which of the following elements would you expect to have properties similar to those of barium (Ba)? O Na O B O Rb OK

Q: How can iodine (Z = 53) have a higher atomic number yet a lower atomic mass than tellurium (Z = 52)?

A: An atom is made up of three particles namely, protons, neutrons, and electrons. The protons and…

Q: Which element is a row 5 transition element?(a) Sr(b) Pd(c) P(d) V

A: The element which belongs to row 5 transition element has to be given.

Q: Which element is a main-group metal with an evenatomic number? (a) K (b) Ca (c) Cr (d) Se

A: The main group metal with an even atomic number has to be given,

Q: Write the electron configuration for each element.(a) Cl (b) Si (c) Sr (d) O

A: (a) The atomic number of chlorine is 17. The electron configuration for chlorine can be written as…

Q: Which of the following is isoelectronic with argon?    A.    Fe2+    B.    F-    C.    Br-    D.…

A: If two or more species contain same number of electrons , called the isoelectronic.   Argon ,…

Q: Which of the listed elements is most metallic?(a) Al (b) N (c) P (d) O

A: Which of the listed elements is most metallic? (a) Al (b) N (c) P (d) O

Q: Which element is a main-group metal? (a) O (b) Ag (c) P (d) Pb

A: a) O (b) Ag (c) P (d) Pb

Q: 4. Which of the following elements is the least reactive metal? а. К C. Mn b. Ca d. Zn O A O c O D

A: Concept is based on Reactivity series of elements.

Q: In some periodic tables, H is placed in Group 1A (1). In other periodic tables, H is also placed in…

A: In some periodic tables, H is placed in Group 1A (1). In other periodic tables, H is also placed in…

Q: Which of the following statements is (are) true about lithium, a Group I element of the Periodic…

A: Option 1 is correct Because the ionic salts give a deep red flame colour.

Q: 1. Write the formula of the following compounds: a. Strontium Hydride b. Radium peroxide c. Cesium…

A: A chemical formula is a way of presenting  a  molecule in terms of the atoms that the molecule is…

Q: For each of the following, give the most specific classification according to type of matter:…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which of the following elements would you expect to have the lowest first ionization energy? Select…

A: Given: Some elements are given . To find: Element with lowest first ionization energy.  Solution:…

Q: What alkaline earth metal is located in period 4 of the periodic table of elements? اختر احدى…

A: The question is based on the concept of inorganic chemistry. We have  to identify the alkaline earth…

Q: MCQ 99: The highest melting point in Group-II elements is of A. Be B. Ba C. Ca D. Mg

A: * Group ll are alkaline earth metal  * As we move down the group  atomic radius increases, hence…

Q: Which element has the largest atomic radius? explain your answer in a separate sheet. O H O F O Na

A: Given :- symbol of elements H, F, Na and O  To identify :- element with largest atomic radius

Q: Periodic Table of the Elements Pu He BCNO F Ne Al Si P S CI Ar Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se…

A: We have to explain the bonding between sodium and chlorine.

Q: For each of the following, give the most specific classification according to type of matter:…

A: Compounds are classified in a group according to their nature or physical and chemical properties or…

Q: Iodine (I) would have chemical properties most similar to which of the following elements Te Rb…

A: Generally we know In periodic table there are 7 periods and 18 groups. Now in a group, all elements…

Q: Part 6: 6A. Name the following compounds: a. Nal b. СаCl, c. NF, d. CaCO, еe. Zn(ОH), f. Ag,SO, g.…

A: Ionic compounds are neutral compounds made up of positively charged ions called cations and…

Q: How many core electrons does nickel contain? O 26 O 18 O 2

A: How many core electron in Nickel ?

Q: 1) Br, + LIF→ _LiBr+__F, LiBr + 2) H,PO, + Fe(OH), > H,0 + Fe, (PO,), 3) С,Н, ОН + CO, + H,0

A:

Q: How can iodine (Z=53) have a higher atomic number yet alower atomic mass than tellurium (Z=52)?

A: lodine (Z=53) has a higher atomic number than tellurium (Z=52). But the atomic mass of iodine is…

Q: What is the electron configuration for P 3- Ion?

A: Electronic  configuration  tell no of electron  present  in each orbital.

Q: Which of these elements is most reactive? Li K Na

A: alkali metals are most reactive among other elements of the periodic table,  Because they easily…

Q: Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br…

A: Greater is the difference in electronegativity between two atoms in a molecule, higher will be the…

Q: List some properties of germanium, tin, and lead. Predict the formulas of the compounds formed when…

A: Discussing some properties of germanium : It exists in traces and is mainly recovered from flue…

Q: Which element in each of the following sets would you expect to have the lowest third ionization…

A: Given elements are :  Which element in each set have the lowest third ionization energy (I.E3) = ?…

Q: gro periodic lable WUuI snonnɔuLƏUn element :X: be found Alkali metals .A O .B O Halogens .C O…

A: Given element have 7 electrons in their valence shell

Q: 19 - Which of the given elements has similar properties with iodine (I) A) Br B) Te C) Ar D)…

A: Generally, the elements of a given group have similar properties due to similar general electronic…

Q: Highest ionization energy Kr Br Se As Ge Ga Ca Lowest ionization energy

A: Arrange these elements according to firsts ionization energy ?

Q: Which of the following atoms is the largest? O Rb O Li OK Cs O Na

A:

Q: Rank the following elements in order of increasing atomic radius. P Cs Cl OCs < Cl< P O Cl< P < Cs O…

A:

Q: Name each of the following oxides. Assuming that thecompounds are ionic, what charge is associated…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The alkaline earth metal in the third period. O Na Са O Mg Si O AI

A: Given metal :- 1) Na  2) Ca  3) Mg   4) Si  5) Al

Q: Which of the following elements has the highest first ionization energy? Ве O Na Li Rb K

A:

Q: Which element would you expect to be more metallic? (a) Ra O Mg (b) O I O Br (c) In Al

A: Metallic character decreases as we move across a period in the periodic table from left to right.…

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: Which element listed below would have the lowest first ionization energy?   K Cl Ca Br Se

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: QUESTION 9 Which element in period #6 has similar chemical properties to Magnesium? а. Si b. Ra Са…

A: Magnesium is a metal having atomic number 12. The distribution of electron in various shell is…

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 group of the following in the periodic table is called transition metal? اختر احدى الدجابات a.…

A: The vertical column in the periodic table is known as groups.  The horizontal row in the periodic…

Q: Which of the following elements has the highest first ionization energy? O Sr As K Se Ge

A:

Q: A. Physical Properties of Elements“ |1. Symbol 1. Atomic Number 2. Luster 3. Metal/Metalloid/e…

A: The given table has to be filled,

Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: 32.  The element present in the same group of the periodic table has the same chemical properties.…

Q: (a) Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compared…

A: Go to 2 step for your answer . Thanku)

Q: calculate he equivalent weight of k2so4, if you know the atomic weight of k=39, s=32, o=16

A: Given,  Potassium Sulphate, K2SO4  Atomic Mass of: K = 39 S = 32 O = 16 Molar Mass = 39x2 + 32+…

Q: Choose one or more: O A. CO,(g) +C(s.graphite) → 200(g) O B. C(s,graphite) +O,(g) –→ Co,(g) O C.…

A: ∆Hrxn is the standard enthalpy of reaction. This is calculated by subtracting the sum of standard…