To what group number does each element belong?(a) germanium(b) nitrogen(c) sulfur(d) carbon(e) boron

Q: identify the follwing atoms using their symbols d.the fifth period transition metal with properties…

A: d.the fifth period transition metal with properties similar to copper = Ag   e. the group V A…

Q: 4. What are the main ideas in the nuclear theory of the atom?

A: The main ideas of nuclear theory of an atom has to be given. The atomic model of Rutherford is also…

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. What is the radius of a…

A: The radius of an atom is half of its diameter. 1 Å = 10−8 cm

Q: The newly discovered element Nh (Nihonium), with atomic number 113, would be a member of which…

A: Atomic number of this newly discovered element Nihonium (Nh) is 113. In the periodic table, period…

Q: Which of the following describes the element Ba? Choose all that apply:(a) is very reactive as a…

A: The element given is Barium i.e Ba.

Q: 4. If you were given an antique piece of jewelry and you were told that it was made of solid gold,…

A: There are several tests that are used to detect the purity of gold used by jewelry manufacturers…

Q: 4. Two elements are studied. One has atomic number X and one has atomic number X- 2. It is known…

A: Two elements are studied. One of the element X belongs to alkali earth metal. The other element has…

Q: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: Which of the following elements would be classified as a nonmetal? a.) silicon  b.) francium c.)…

A:

Q: 2.90 grams of phosphorus is burned in the presence of oxygen and forms 5.14 grams of a phosphorus…

A: We can just subtract the mass of the phosphorus from the mass of phosphorus oxide and get mass of…

Q: The element (X) is located in the third period and the group (5A) and the element (Y) is located in…

A: The atomic number of the element located between them is 33 & the name of the element is…

Q: The first member of a group in the Periodic Table of elements always shows some abnormal chemical…

A: Group is a column in a periodic table and in the first element in the column is the first member of…

Q: What are the "A" group numbers for Aluminum, Calcium, and Cesium, respectively?

A: In chemistry, a group refers to a column of elements in periodic table. In total there are 18 groups…

Q: 2.34 Describe Thomson's model of the atom. How might it ac- count for the production of cathode…

A: Thomson's model of atom is also known as plum pudding model. According to plum pudding model, atom…

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: Write the name of element and classify it as a metal, nonmetal, or metalloid. O

A:

Q: Little is known about the properties of astatine, At, becauseof its rarity and high radioactivity.…

A: Due to Astatine high radioactivity, very less information we are having:     a)  Astatine is solid…

Q: What is the atomic weight for the element that is in group 5A and period 4?

A: given: group 5A period 4

Q: Does any element with ZS 92 match the description? If you checked yes, give the symbol of an element…

A: The question is based on the concept of periodic table. we have to identify whether element exist…

Q: The element gallium (Ga, Z = 31) is what type of element

A: Atomic number of Gallium(Ga) is 31.Electronic configuration is [Ar] 3d104s24p1.It is a p- block…

Q: Elements that lie on the left side of the periodic table are generally non-metals?

A:

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. I

A: Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals…

Q: Of the elements Be, C, Cl, Sb, and Cs, which is most likely to be a metalloid?

A:

Q: an atom has mass no of 64, calculate radius of nucleus of this atom?

A: The radius of a typical nucleus in terms of number of nucleons is given by

Q: Describe Thomson’s model of the atom. How might itaccount for the production of cathode rays?

A: The atomic model proposed by Thomson was the plum-pudding model. According to Thomson's atomic…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer :-  R44101u…

Q: Identify each of the following elements as a metal, nonmetal,or metalloid: (a) gallium, (b)…

A: Metals are those elements which show metallic properties like shiny appearance, ductile and…

Q: What are the elements in the A columns of the periodic table called a.Main group elements b.…

A:

Q: Group the following elements according to similar properties: As, I, Ne, F, Mg, K, Ca, Ba, Li, He,…

A:

Q: Which of the following groups of elements are not all metals? O AI, Zn, As Bi, W, Mo Ba, Sr, Pb Ag,…

A: an element is said to be a metal if it easily loses its valence electron in favorable condition.

Q: Which of the following statements concerning the periodic table is incorrect?   a. All the elements…

A:

Q: The Group on the Periodic Table that BEST demonstrates the concept that elements in the same Group…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: An atom has a very small nucleus surrounded by an electron "cloud." The figure below represents the…

A: The diameter of the nucleus is given that 2 mm. The electron cloud or diameter of atom is 200m. That…

Q: A carbon atom has a diameter of 67 pm. If the nucleus of an atom is 100,000 times smaller than the…

A: The volume of sphere (atom or nucleus) is directly proportional to cube of its radius.

Q: v. Answer true or false. (a) Mendeleev discovered that, when elements are arranged in order of…

A: The elements in the periodic table are arranged according to their periodicity. There are trends…

Q: Which pair of elements do you expect to be the most similar? a. Molybdenum and Tin b. Nitrogen and…

A: Given,  a. Molybdenum and Tin  Electronic configuration of Mo = [Kr]4d55s1  Electronic configuration…

Q: Which of the following statements about the periodic table is TRUE? a. The alkaline earth metals are…

A: Note: According to our guidelines we are supposed to answer only first question.  Kindly repost…

Q: (c) Explain why the d block elements zinc and scandium are not transition elements. (

A: Sc and Zn both are d-block elements .

Q: Answer true or false. (a) Mendeleyev discovered that when elements are arranged in order of…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

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: 5 Elements are -  1) Sodium. 2) potassium 3) calcium 4) magnesium 5)lithium  Rank them from 1…

A: A question based on biological importance of chemical elements that is to be accomplished.

Q: When elements are arranged by increasing atomic number, and by periods according to their…

A: According to the given question we have, as we move across the period the atomic number increases.…

Q: 1.)What is the atomic number for the element that is in group 1A and period 6? 2.) What is the…

A:

Q: A brief summary indicating Thomson major contribution to the atomic theory.

A: J.J. Thomson was the first to propose a model of the atom. He considered the atom as a sphere in…

Group 14 Elements

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