The electron of a hydrogen atom is at a distance 5.3x10 m from the nucleus. If the charge of the nucleus is 1.6x10-19 C, then the electrostatic potential energy (in electron volt (eV)) of the electron is: Select one: a. -1.5 b. 27.2 c. 1.5 d. -27.2 e. zero
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- (a) If the position of an electron in a membrane is measured to an accuracy of 1.00 m, what is the electron's minimum uncertainty in velocity? (b) If the electron has this velocity, what is its kinetic energy in eV? (c) What are the implications of this energy, comparing it to typical molecular binding energies?Two protons in the nucleus of a 238U atom are 6.0 fm (6.0x10-15m) apart. What is the potential energy (in joules) associated with the electric force that acts between these two particles? A.2.8x10-14 B. 3.8x1014 C. 5.0x10-9 D. 5.0x10-8Determine the distance between the electron and proton in an atom if the potential energy U of the electron is 13.8 ev (electronvolt, 1 eV -19 1.6 x 10 J). Give your answer in Angstrom (1 A = 10"1º m). Answer: Choose... + Next page
- Determine the distance between the electron and proton in an atom if the potential energy U of the electron is 13.8 ev (electronvolt, 1 eV = 1.6 × 10-19 J). Give your answer in Angstrom (1 A = 10-10 m). Answer: Choose... + Previous pagePart 1 Find the speed an alpha particle requires to come within 4 x 10-14 m of a gold nucleus. Coulomb's constant is 8.99 x 109 Nm2/C2, the charge on an electron is 1.6 × 10-19 C, and the mass of the alpha particle is 6.64 x 10-27 kg. Answer in units of m/s. Part 2 Find the energy of the alpha particle. Answer in units of MeV.An electron is 0.5 Å away from a carbon nucleus which contains 6 protons. Find the mutual force of attraction between the nucleus and the electron. 1Å (Angstrom)= 10^-10m, e=1.6x10^-19C.
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- Identify the following objects as being either ... a. positive b. negative c. neutral If there is no conclusive evidence, then select all that could be true. Description of Object a, b, or c? i. An object possesses more protons than electrons. ii. An object possesses more neutrons than electrons. iii. A formerly neutral object that just lost some electrons. iv. A formerly neutral object that just gained some electrons. v. An object which attracts a negatively-charged balloon. vi. An object which attracts neutral paper bits and attracts a negatively-charged balloon. vii. An object which attracts neutral attracts paper bits and repels a negatively-charged balloon. viii. An object which attracts a negatively-charged balloon and attracts a positively-charged balloon. ix. An object which attracts a charged balloon (balloon A) which is attracted to a negatively-charged balloon (balloon B). x. An object which attracts a…Direction: Answer the following.1. This particle is found in the nucleus and has no chargea. Neutron b. Proton c. Electron d. Orbital2. This particle is found in the nucleus and has a positive chargea. Electron b. Proton c. Neutron d. Neutral3. This is a negatively charged particle found outside the nucleusa. Electron b. Proton c. Neutron d. Neutral4. What is the Law of Conservation of mass?a. Mass is created in a chemical reactionb. Mass is created in a physical changec. New chemicals formed from a chemical reaction have a largeroverall mass than the original reactantsd. Mass is never created or destroyed5. Which of the following are Subscripts in this Chemical Formula: 3Fe2O4a. 3,4b. 3,2c. 2,4b. | Compare the average positions of the electron for H and He*.