2012年11月21日 · You can't really sensibly compare a van der Waals radius with the radius of a bonded atom or ion.”And the second “One member of this isoelectronic series is not listed in …

2006年11月20日 · Both have the same number of electrons, but think about the number of protons in the nucleus of the K+ ion and in the Argon atom. How will the number of protons …

2008年2月7日 · Analysis of potassium and argon atoms in a moon rock sample shows that the ratio of the number of stable Ar-40 atoms to the number of radioactive K-40 atoms is 10.3. …

2009年7月5日 · Homework Statement Which of the following electron configurations correspond to an excited state? Identify the atoms and write the ground-state electron configuration where …

2006年9月25日 · An atom of argon 37 Ar 18 is ionised by the removal of 2 orbiting electons. In the ion there will be.. a) _____ protons and _____ neutrons b) So what is the charge in C of this …

2021年5月26日 · And plugging in ##k## in the same units as were given for ##C_v## gives a good value for the mass of the Ar atom. (Could also divide the molecular weight by Avogadro's …

and the excited electron. The parent ion is an unexcited part of the atom. For example, in Ar atom excited from a ground state … 3p. 6. to an excited state … 3p. 5. 4p. in electronic …

2005年11月22日 · One contains the monatomic gas argon (Ar), and the other contains an equal mass of the monatomic gas radon (Rn). The pressures in the cylinders are the same, but the …

2004年8月25日 · Argon is a noble gas, it is monoatomic. The degrees of freedom of a single atom is 3. So the average energy of an argon atom is [tex]\frac {3}{2} \kappa T [/tex] The energy of …

2007年12月3日 · The mass of a gas molecule can be computed from its specific heat at constant volume c_v (note this is NOT C_v) Take c_v=0.075\\frac{cal}{g*C} for argon and calculate (a) …