which og the following has the largest radius: A) S2-, B) Cl-, C) K+, D)Na+,  E) O2-

Q: What is an element composed of?

A: An element is a pure material made up of atoms with the same number of protons in their atomic…

Q: Which of the following represents: alkali metal, transition element, alkali earth metal, metalloid,…

A:

Q: Order the following from smallest to largest 1 | Aluminum, AI 2 Gallium, Ga 3 Boron, B Indium, In…

A:

Q: give the name of following element a)N  b)He

A: The name of the following elements are :

Q: Which of the following statements below is true? O Na is smaller than Na. O Na is larger than Na. O…

A: 4

Q: Which of the following statements is correct? A. All metals are shiny and can conduct electricity.…

A: Which of the following statement is correct ?  A. All metals are shiny and can conduct electricity.…

Q: n = 4, l= 1, me %3D Express your answer as an integer. Number of electrons =

A: Question belong to Quantum number in atomic structure. We will find maximum number of electron…

Q: what is  the Periodic table of elements

A: Over the years, many atoms and molecules are discovered by scientists. It became tedious for…

Q: Who designed the periodic table of the elements?

A: The detailed solution of your question given below-- Several scientists work in the periodic table…

Q: Which of the following is an implication of Thomson’s observation that the typeof metal used to make…

A: Cathode rays are defined as the beam of negatively charged particles that originate from negatively…

Q: Describe Rutherford’s nuclear model of the atom. What was revolutionaryabout his model?

A: According to the Rutherford atomic model: The positively charged particles and most of the mass of…

Q: The number of protons (is, is not) always equal to thenumber of electrons in orbit around the…

A: The symbol of an element is defined as  ZXA Where  A = mass number = Z + N              Z  = Atomic…

Q: MEASUREMENT AND MATTER Organization of the Periodic Table Read each description in the first column…

A: A semimetal can be defined as an  element whose properties are intermediate between those of metals…

Q: Which group(s) in the periodic table contain only nonmetals?

A: The group in the periodic table contain only nonmetals has to be given,

Q: difference between metal and non metal?

A: Here we are asked to write the difference between metal and non metal.

Q: The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span…

A: Initially we need to convert Picometer to Millimeter.

Q: In five or more sentences, describe the properties of nonmetals.

A:

Q: What is the periodic table, and what is its significance inthe study of chemistry?

A: The periodic table is the arrangement of 118 elements according to their atomic number that knows as…

Q: The magnitude of the electric force between two particles depends on which factors? O A. Mass and…

A:

Q: See Periodic Table O See Hi

A:

Q: What are some characteristic properties of elements to theleft of the elements along the…

A: The staircase in the periodic table consists of metalloids, which differentiates the metals and…

Q: The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the…

A: Given information: Atomic volume of argon = 22.56 cm3/mol Atomic volume of krypton = 27.99 cm3/mol

Q: Which of the following would have similar properties to those of neon?  Answer choices in the…

A: The atom which is having same number of valence electron as that in Ne or is present in the same…

Q: What class of elements lies along the “staircase” line in theperiodic table? How do their properties…

A:

Q: the history of the discovery of hydrogen and what properties they observed to identify it

A: Position of hydrogen in periodic table:   Hydrogen is regarded as rogue / disputable element because…

Q: What elemnet is this according to the clue: It has chemical properties like carbon but 1 more shell…

A: Chemical properties of any element depends upon the type of electronic arrangement in its valence…

Q: Which of the following statements below is true? O Nat is smaller than Na. O Na* is larger than Na.…

A: Introduction : As per company norms we cannot answer more than one answer per session .So, I have…

Q: A positive electric charge s is to be adde of 6.25x10^1 and euigu 3.125x10^19 p+. What will be the…

A: Charge on electron = -1.6 × 10-19 C Charge on proton = 1.6 × 10-19 C

Q: 4. Predict the following Amax Values:

A:

Q: In ions why not separated by mass only and  why not separated by charge only?

A: Mass spectrometer works in four stages which is ionisation, acceleration, Deflection and detection.…

Q: 25 1dentify which is E or Z 25 deity which ins Er CH,"

A: As per the CIP rules, if high priority groups are on the same side of the C=C then it is named as Z…

Q: Among Cl-, Ar, K+, Ca2+, Br-, Kr, Rb+, and Sr2+, which one has the largest radius?

A: Isoelectronic species are those species which have same number of electrons in them. And the radius…

Q: 1. There are three particles (A, B, C) in a linear arrangement:  A---B---C. Calculate the…

A: As there are multiple questions, we will solve the first one for you. For the rest to be solved,…

Q: hich of the following statements is/are true? I. Solids are compact but if melted it moves…

A: The correct options are:

Q: Protons and electrons have charges of the same magnitude but opposite sign. true or false?

A: A question about charge and magnitude relationship between protons and electrons.

Q: Malachite is an are of:(a) Iron(b) Copper (c) Mercury(d) Zinc

A: The solid material that occurs naturally on the earth and contains minerals or metals which are…

Q: alculate the mass of an X atom, n

A: Given Density = 20.55 g/cm3  edge length of unit cell = 383.9 pm To find out mass and molar mass of…

Q: Is helium nonmetal metal or metal Lois

A:

Q: Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A.…

A: Correct ans- Far apart and positively charged.

Q: represent the same element?

A: we know,In atom the number of protons and electrons are equal but different neutrons is possible.so…

Q: Who was the first scientist to classify elements according to their properties?

A: There are over hundreds of elements known to us. To avoid confusion, scientists need to classify…

Q: 11) Calculate the number of atoms of each element: 5Na,SO,

A: according to mole concept one mole of any species contains avagadro number of atoms,  molecule and…

Q: What is a period in the periodic table? From what does it derive its name?

A: The elements are arranged in a periodic table. The properties of elements have been studied and…

Q: 1. In the figure below if A is negative, what are the charges of B, C, and D? A B B

A: Since you've posted multiple questions, we'll solve only the first question for you. If you want any…

Q: A certain element has a melting point over 700 °C and a density less than 2.00 g/cm*. Give one…

A: Density :-  It is the ratio of mass of a substance to its volume Density (d) = mass/volume   Melting…

Q: Which of the following would have the largest absolute value of AH°cnormalized per unit CH2?

A: ∆H°c is the amount of energy which is released when 1 mole of that particular compound is burnt in…

Q: The radius of a tungsten atom is 137 pm. How many tungsten atoms would have to be laid side by side…

A: Given :- radius of tungsten atom = 137 pm  To calculate :- number of tungsten atoms in 1.99 mm

Q: Display the groups of the periodic table and their charges.

A: There are 18 groups in periodic table as follows : Group 1- Alkali metal Group 2- Alkaline earth…

Group 14 Elements

The following elements come under group 14 of the periodic table.