The element antimony (Sb) has an atomic mass of 121.76 amu. Two naturally occurring isotopes of antimony are 121Sb (57% abundant) and 123Sb (43% abundant).  In a sample of 100 Sb atoms, what is the probability that a single selected atom has a mass of 121.76 amu.   0% 43% 57% 100% not possible to determine

Q: The element antimony (Sb) has an atomic mass of 121.76 amu. Two naturally occurring isotopes of…

A:

Q: If a single C-C bond has a bond energy of 346 kJ/mol, could a single photon in the visible range…

A: We have to check the given length of light dissociate the C-C single bond or not

Q: You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or…

A: here we are required to find the amount of energy absorbed during the reaction.

Q: B. ANALYSIS of a GIVEN GRAPH- a written response 251 +Helium Mercena Krypton Xenon 20 Neon 10 Argon…

A: 9. The ionization energy, also known as the ionization potential , is the energy required to remove…

Q: Which two representations are most consistent with the model of an atom that uses probability to…

A: We have to find the representations where probability of finding an electron is maximum and minimum.

Q: Answer with the word true or false and correct the error if any (answer five) 1- The total energy of…

A: 1 false  2 true 3false  4 true  5 true

Q: What are the predicted values of JP for ¹0 and O?

A: In the following question, we have to determine total angular momentum J and parity P (= (-1)l)for…

Q: Part A av ( n the alized Based on position in the penodic tabie and oloctron configuration, HIrange…

A: Ionisation energy is the amount of energy required to release an electron from the valence shell of…

Q: O ELECTRONIC STRUCTURE... Understanding the definitions of ionization ener... Consider the following…

A: Here we are required to find the energy of the two  processes for the data given for element…

Q: First lonization Energy (kilojoules/mole) He 2370 F Ne 800 1090 1400 1310 1680 2080 SI P CI Ar 790…

A: From the given table above we can conclude some trend ; 1) As we move from top to bottom in the…

Q: X(g) → X*(g) + e X+(g) → X²+(g) + e¯ X2+(g) → X³+(g) + e IE₁ = 740 kJ/mol IE₂ = 1450 kJ/mol IE3 =…

A: The amount of energy required for removing an electron from isolated gaseous atom.

Q: Does the Aluminum (Al) ion gain or lose electrons? a Lose because it is easier for Aluminum (Al) to…

A: Al have 13 electron and 3 electron in it's valence shell. It is element of boron family. Noble gas…

Q: What are the chemical symbols and atomic number of Barium Ba and Magnesium Mg

A: According to the periodic table Barium belongs to group 2 ,while magnesium also belongs to group 2 .

Q: The binding energy of electrons in a metal is 294 kJ/mol. If 8.92 x 1024 photons of light with a…

A: Binding energy is the amount of minimum energy required to eject electrons from the metal surface.…

Q: The Incredible Hulk was created by high-powered gamma radiation. If the gamma rays had a wavelength…

A: The energy of a photon is proportional to its frequency, as stated by the Planck - Einstein's…

Q: need help with these 3 question I don't understand how to solved it. 1)If a marathon race is 28.2…

A: The some Basis conversion are ; 1mile=1.61 kilometres 1 kilometres=0.619 miles 1cal=4.184J Energy…

Q: A chemist measures the energy change AH during the following reaction: C;Hg(9)+50,(9) –→ 3…

A: Given reaction: C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (l)             ∆H = -2220 kJ We have to…

Q: A beam of electrons (m = 9.11 × 10-³1 kg / electron) has an average speed of 1.8 × 108 m/s. What is…

A:

Q: Using the folowing data, Metal Tm (K) AHus(kJ/mol) Tb (K) ap(kJ/mol) Li Na 371 2.60 K 336 Rb 312…

A:

Q: (Q101) Outside of the nucleus, the strong force: Decreases by a factor of two for each electron…

A: Outside of the nucleus the strong force is  virtually non-existent So only option b is correct…

Q: A chemist measures the energy change AH during the following reaction 2 Fe,O3(s) → 4 FeO(s)+O,(g)…

A:

Q: For a Hydrogen Atom these energies can be calculated by the following equation: Lan he -- Ar - R…

A: Energy of Helium ion is given by, Eelectron=-(8.7149×10-18n2) J   The energy released as a photon…

Q: nts Ionisation Energy: It is the energy required to an electron from an atom in the given graph,…

A: Ionization energy is the amount of energy required to remove an electron from the outer most shell…

Q: Ionization energy tends to increase from left to right on the periodic table. There are two…

A: In an atomic model with a single electron (Bohr model), the electron strength depends only on the…

Q: See the ionization energy values of Rb and Sr atoms and ions in the gas phase in the table below and…

A:

Q: A light photon with a wavelength no greater than 406 × 10-9 m is required to split apart hydrogen…

A: Electromagnetic spectrum involves different radiations from the lowest to the highest frequency…

Q: How many possible values are there for I when n = 4 Zero One Two O Three O Four

A:

Q: The total volume of hydrogen gas needed to the Hindenburg was 2.00 * 10 ^ 8 * d * m ^ 3 atm and 25…

A:

Q: 1. How many protons, electrons, and neutrons does the hydrogen atom shown here have 2. What are the…

A: We know that: No of protons = Atomic number (Z) of the atomNo of protons + No of neutrons = Mass…

Q: Draw the Born-Haber cycle and use the data below for the formation of calcium chloride, to (ii)…

A: Let us calculate the  electron gain enthalpy of chlorine.

Q: The Incredible Hulk was created by high-powered gamma radiation. If the gamma rays had a wavelength…

A:

Q: Please Si, Ne, Cl, and K in order of increasing electron affinity as an Exothermic process

A: Electron affinity is the minimum change in energy of a gaseous neutral atom when an extra electron…

Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+ H,(9) – 2 HC(9)…

A:

Q: formation of MX(s) assume all atoms used are monatomic solids in the standard state

A: Here we have to write the formation equation of MX(s) assuming all atoms used are mono atomic solids…

Q: description element in Period 1 and Group 6A. metalloid in Group 4A. malogen with a lower atomic…

A:

Q: Consider the cross-section diagram of an orbital. Identify the orbital. X 0000 + + +

A:

Q: The Incredible Hulk was created by high-powered gamma radiation. If the gamma rays had a wavelength…

A:

Q: In a hydrogen atom, an electron loses energy from n = 5 to n = 2, a process that leads to some kind…

A: The energy of radiation will be given by the energy difference of electron in n = 5 and n = 2 Since…

Q: A cell phone is transforming what types of energy? Sound Energy into Potential Energy O b Radiant…

A: Applying concept of transportation and transformation of energy into cell phone.

Q: Are Ni and Cu the same isotope or ion?

A: Nickel is a element with the symbol Ni and atomic number 28. Copper is a element with the symbol Cu…

Q: MISSED THIS? Read Section 8.2 (Pages 312-322) Watch KCV 8.2, IWE 8.2 I Revi Part A How much energy…

A: The energy is directly proportional to the frequency of wave. The energy is inversely proportional…

Q: The following neighboring lines are observed in the microwave spectrum of H81Br: 64.275 and 81.436…

A: In microwave spectroscopy, we use microwave radiation to calculate the energies of rotational…

Q: Q8/ If the mean number of atoms in a system is 4.4x1020 atoms, each atom has energy of -3.4eV, the…

A:

Q: When a photon of light with a wavelength of 359 nm is shone on a metal surface, an electron is…

A: Given that: wavelength, λ  = 359 nm = 359 x 10-9 m for photoelectric effect, Kinetic energy, KE =…