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

Q: Which of the following lists contain an alkali metal, a halogen and a metalloid (semi-metal) in that…

A: In the periodic table, alkali metals are Group-1 elements.  Halogens are Group-17…

Q: Explain how it is possible for one element to have a higher atomic number than another and yet have…

A: Atomic mass of any element is actually its average atomic mass which is calculated by the addition…

Q: Give the name, atomic symbol, and group number of the element with each Z value, and classify it as…

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

Q: 12.An aluminum ion, Al³, has the following charged particles: A) 13 p, 13 e B) 27 p, 24 e C) 13 p,…

A: The positive charge in the superscript of the atomic symbol indicates that it has lost electrons.…

Q: Identify the three elements indicated on the periodic table, and give the group that they are in.…

A: The marked group along with their elements has to be identified. They have to classified as metals,…

Q: Which element is a row 4 noble gas? (a) Ne (b) Br (c) Zr (d) Kr

A: The rows or periods of a periodic table are made up of elements with the same number of electron…

Q: Cx 312 -1

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: tion 25 of 39 103 Ru protons: neutrons: electrons 34S

A: Calculate the number of proton, neutron and electron -

Q: X2+ contains 36 electron. What is the identity of X? (type the elemental symbol of X)

A:

Q: Explain the similarities and differences as compared to element 118 Og if a new element was…

A: A question based on periodic trends that is to be accomplished.

Q: Give the name, atomic symbol, and group number of the element with each Z value, and classify it as…

A: Since you have posted multiple subparts, the answer for first three sub-parts are given below.…

Q: Classify each of the following fifth-row elements as a metal, a metalloid, or a nonmetal: (a) Y (b)…

A: The metals are elements that are aligned left side of the periodic table and have a tendency to lose…

Q: Consider the following data for the hypothetical element Smileonium, So. What is the average atomic…

A: Given data for the hypothetical element Smileonium: We have to calculate the average atomic mass of…

Q: 2. Use the information from the graph to detemine the average atomic mass and the identity of the…

A: Average atomic mass of an element is : average atomic mass of an element=∑mass of the isotope×its…

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: what is the atomic number for 37Cl with a charge -1

A: Given that, Cl-37 Charge = -1

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Titanium is an element which has symbol Ti and atomic number 22. Its atomic weight is 47.867 amu. It…

Q: How to calculate the relative atomic mass (6.015122) of 6Li, from the atomic mass of Lithium?

A: As we know,  Relative atomic mass = atomic mass of an atom / 1 amu

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: Which one of the following species has as many electrons as It has neutrons? A) 1H C) 14c E) 14c2+…

A: The species that have many electrons as it has neutrons has to be given.

Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 %% for…

A: The average atomic mass of an element can be calculated as shown below.

Q: How many electrons, protons, and neutrons does an element given as 2450X have?

A: The atom is represented by a general formula i.e. ZXA here,        Z = Atomic no. Which is equal to…

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

A: Answer :-  R44101u…

Q: Which of the following elements is the largest? O Aluminum, Al (#13) O Indium, In (#49) Antimony, Sb…

A: We are authorised to solve only one question at a time. Please post rest of the question separately.

Q: There are electrons, _protons, and_neutrons in an atom of 146C. O 6, 8, 6 O 6, 6, 14 O 6, 6, 8 O 6,…

A: Carbon -14  Atomic number -6  Mass number -14  No. Of electrons = No. Of protons = Atomic number = 6…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: By using this formula we can calculate the Average atomic mass of titanium on that planet .

Q: 3. Derive the expression of the electron's charge to mass ratio: e 125R?V 32uN² 1²r2 me

A:

Q: A biochemist who is studying the properties of certain sulfur (S)–containing compounds in the body…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: 9.Which of the following elements is in Group 6B?   a, Cs b, Po c, O d, Mo 10,Which of the following…

A: 9. Out of the given elements, d, Molybednum(Mo) is in Group 6B of the periodic table. Molybednum is…

Q: What is the Average atomic mass of an unknown element given its isotopes and their abundancies…

A:

Q: 3,1,0, + [Kr] 5s' 3d5 [He] 2s? 2p

A: According to guidelines I am supposed to answer first three part only please ask rest of the part as…

Q: d) how many 4°K atoms are present in a piece of copper block weighing 615 g? The percent isotope…

A: 12. d) The mass of the copper block is = 615 g The percent of 40K isotope is = 12.05 % The number of…

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

A:

Q: Describe the basics of atomic structure, including ions and isotopes; and then how each of these…

A: Atomic structure refers to the structure of an atom comprising a nucleus (centre) in which the…

Q: A sample of naturally occurring silico 27.9769), Si-29 (amu = 28.9765) and Si-30 (amu = 29.9738). If…

A:

Q: Which of the highlighted elements in Figure P2.7 is (a) a reactive nonmetal, (b) a chemically inert…

A: Reactive metals exist in group 1 of the long form of periodic table. Group 1 is placed at the…

Q: Beryllium has an atomic number of 4. How many neutrons does the isotope beryllium-9 have? O 4 O 13 9…

A: * Atomic number = Number of protons  For the neutral atom , Number of electrons = number of protons…

Q: What aspect of an element does the number of neutrons solely determine? its mass its identity its…

A: Number of neutron fixed in an element

Q: Calculate the atomic mass of silver if silver has 2 naturally occurring isotopes with the following…

A: Average Atomic Mass:-Mavg = M1 n1 + M2 n2n1 + M2M1 & M2 are atomic masses of isotopes 1 and 2n1…

Q: Uranium hexafluoride, UF6, is an important compound used in the enrichment of uranium by gaseous…

A: Where uranium can be found on the periodic table ?

Q: Give the name of the formula of elements 1, Co Cl2 2, N2 H4 3, BF3 What is the meaning of isotopy?

A: Welcome to bartleby !

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

Q: Hydrogen sulfide is a gas with the odor of rotten eggs. The gas can sometimes be detected in…

A:

Q: Which of the following is a metal? Group of answer choices thallium, Tl, Z = 81 nitrogen, N, Z = 7…

A: Metal is one which donate the electron

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

A:

Q: What is the average atomic weight for a hypothetical element "Q" which is composed of the following…

A: The following data are given for the hypothetical element Q: The atomic mass of 1st the isotope, M1…