A) Br- Se b) A1 3+ みt P3- c) F , Mg z+ D) Ne, Ar

Q: Are the following combinations allowed ? If not, Show two ways to correct them. a) n=1, 2=0, mi =0…

A: There are mainly 4 quantum numbers  They are  Principal quantum number (n) Azimuthal quantum number…

Q: My courses / MEDICAL CHEMISTRY Section1 Lecture (20201_200221120 AAUP - JENIN) / Mid-term Exam (30…

A: Atomic number of Ag is = 47 Electronic configuration = 1s22s22p63s23p64s23d104p65s24d9 The above…

Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7 NaNa…

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Q: He. Which of the following statements is best supported by the data from Rutherford's experiment of…

A: Conclusion drawn by Rutherford's α-particle scattering experiment : 1. Most of the space in the atom…

Q: 23U → 23Th + He 2. For each element, what do the top (superscripted) and the bottom (subscripted)…

A: Introduction: In the above reaction nucleus of uranium undergoes alpha decay ,in this nuclear change…

Q: l/east.cengagenow [References) Naturally occurring element X exists in three isotopic forms: X-28…

A: Isotopes of an element is used for calculating the average atomic mass of an element. The average…

Q: How many protons are in the nucleus of an atom of each.( put  between each number ex, 12,24,10,5,3…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: which Atom is the smallest A) carbon B) silicon C) phosphorus D)Nitrogen

A:

Q: Select the best answer or answers from the choices given: Which set of terms best describes a…

A: Given choices,    (a) negative charge, massless, in the orbital    (b) positive charge, 1 amu, in…

Q: A rough estimate of the radius of a nucleus is provided by the formula r 5 kA1/3, where k is…

A: The given radius is: where k is the Fermi constant (1.3×10-13cm) and A is the mass no. of Iodine…

Q: The mass of a cesium (Cs, atomic number 55) atom is 2.21×10−25 kg, and its radius is R = 2.65×10−10…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: 10. Which of the following does not match the others? 1.68 5 (A) 67.2 3.88 1 1000 100 10 1 AU,…

A: From the graph of number of electrons vs ∆UE, it is clear that the electronic configuration is 2, 2,…

Q: With an aid of a diagram describe an electron ionisation (EI) source used in mass spectrometry.

A:

Q: Bi-212  -->  electron  +

A: BETA MINUS DECAY: A beta decay in which neutron is cleaved to form proton and an electron is known…

Q: The atomic weight of copper, Cu, is listed as 63.546. Which of the following statements are untrue:…

A:

Q: Calculate the relative atomic mass of carbon, taking the relative atomic mass of 13C to be 13.003354…

A: Relative atomic mass  is the ratio of average atomic mass to the mass of C-12 atom in the give…

Q: Part A Match the spheres represented with atoms of K, Ge, Ca, and Kr. Drag the appropriate labels to…

A: K > Ca > Ge > Kr

Q: Kuantum sayısı kümesi n= 1,1= 0, m = 0, m,= +1 n= 1,1= 3, m = +3, m; = +1/2 n = 3,1= 2, m, = +3, m,…

A: The set of numbers used to describe the position and energy of the electron in an atom are called…

Q: Key Use the periodic table from an alternative universe below to answer the questions[ Symbol A…

A: The given reaction is, 3FAd2 + 2R  ---> F3R2 + 2Ad From the given reaction, we can conclude that…

Q: What does the "(<1%)" in the mass spectrum mean?

A: Mass spectrometry helps us to predict the structure of unknown organic compound on basis of the…

Q: A carbon-12 atom has a mass of 12.00000 amu. The mass of a proton is 1.00728 amu, and the mass of a…

A:

Q: 22. All atoms of Tungsten have exactly protons

A: Number of protons in tungsten (W)

Q: 3. Calculate atomic mass of naturally occurring boron if 19.9% of boron atoms are 105B and 80.1% are…

A:

Q: Which pair of particles have the same number of electrons  Choice A: F-,Mg2+ Choice B: Ne,Ar…

A: An isoelectronic pair  is a group of ions that all have the same number of electrons.

Q: How many distant nucleus pairs are in NH, molecule? a. 16 b. 1 C. 8 d. 6 c. 4 f. 2 9. 12 h. 3

A: Distant nucleus pairs can be calculated by considering number of nucleus.

Q: Q1. a- Please calculate, how many atoms exist in 1 cm^3 of Copper (Cu) with the density 8,93 gr /…

A: denisty of Cu = 8.93 g/cm3 Therefore in 1cm3 of volume 8.93 g of copper has been occupied(8.93 g /…

Q: Label #3 * 土 3 4 O Nucleus O Proton O Neuton O Shell O Electron Atom

A: 1 = Proton 2= Neutron 3= Nucleus

Q: Give a short description of the following, your answer must be in a sentence form. 1. Protons- 2. JJ…

A: 1- Protons - The protons are located at the centre of the and is positively charged and no of…

Q: 4. Predict the following Amax Values:

A:

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A: When a hydrocarbon reacts with oxygen then, it will form carbon dioxide and water and liberate huge…

Q: number) in the second box, and the element, with charge if necessary, in the third box.) (a)73Ga →…

A: The emission of the decay particles from an unstable atomic nucleus just to make it a stable atom is…

Q: Which of these are isotopes of hydrogen? A) 12C and 13C B) 42K and 40K C) Li+ and He D) 3H and 2H…

A: The isotopes of hydrogen are to be identified from the given option. Isotopes: Isotopes are the…

Q: Choose the appropriate pair of atoms that contain the same number of neutrons. (Example: ^13 6C =…

A: The number written on top left of the atom is known as mass number of atom. And the number written…

Q: Give the nuclear symbol for the isotope of beryllium for which A = 10 ? Enter the nuclear symbol for…

A: Isotopes of an element have same number of protons but differ in number of neutrons, which has equal…

Q: Classify the following as either a fermion or a boson: (a) an electron. (b) a proton. (c) a neutron.…

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Q: What two pieces of evidence allowed the first calculation of me , the mass of the electron?(a) The…

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Q: 6. Tungsten is atomic number 74 on the Periodic Table. Supply the indicated information for a…

A: Given,  Atomic number of Tungsten = 74  184W  mass number = 184

Q: Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass…

A: Isotopes which have same  number of protons but different number of neutrons.

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A: Which one of the following has smallest size :  Na+, Mg2+, Ne, F- , O2- .

Q: MCQ 35: Protons (p') and neutrons (n") constitut A. nucleus B. nucleon C. orbital D. diameter

A: The question is based on the concept of atomic structure. we are talking about subatomic particles…

Q: ABCD EF Number of electrons 8889110 9 Number of entrons 89 10 9 810 Namber of Protons 8 88 9 10 9

A: Atomic number is also known as proton number. It is represented by the symbol Z. Mass number is…

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A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: CH— ОН HI 39

A:

Q: See if you can complete the following table using only what is on this page. ( Fill in th blanks )…

A: All the elements in chemistry are known by its symbol popularly known as element symbol . Each…

Q: Which of the following statements regarding atomic Br and Cl is FALSE?

A:

Q: Consider the mass spectrometer shown in Figure 2.11. Determinewhether each of the following…

A: Whether the given statement is true or false to be determined.

Q: 10) Which pair represents isotopes? Circle the correct choice(s a. Ca and He 40 20 b. Fe and 58Fe 26…

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.