University:
Thomas Jefferson University
Course:
CHEM 103 | Chemistry I
Academic year:

2024
Views:

200

Pages:

1
Author:

Imani H.

1/23/24 20 i) D 2 = . 2 = V = 10 0 cm3 = Beta 2 7 Elements simplest form methods . Mixtures Chapter 20 : chemistry nuclear structure . : The is - Structure of reactions that involve called nuclide a , " iH Neutron ? Stability changes nucleons are to Example up Mg : the is difference between the of protons neutrons masses , mass Selections the . obtained of by y : binding energy is E Mc given by = m= Mass , F #25 atomic# 40 4 + > 1 12+ 2 = ;H + 28 223 Fr 87 given S at a alpha particle to produce - = + -229 reacts with an + -He a proton &another particle . Al + 28 1 + actual mass of deficit EC = 25 mg speed + 44He > - !H + 2 . light Ex : p the e 89 know A !! 25 Mg protons the nuclide. ↳ 3 N x = Mass deficit -G Position Pe Proton methods . physical E chemical . mass adding study the Is A specific nucleus Eneutrons Chemistry Nuclear down with broken be can be broken down with can Nuclear ↳ compounds , (B) particle 227 Az (oc)"He Alpha particle . . 2) Nuclear Equations 2 . : Exc : 19F 1 0073 Mass 9(1 : 2 645x10 . E mc2 = = 12 . - . 0073) g . 0087) . xAg 645x10-28) . stable. 10/1 with a = + : . 00055) = 19 157 am . 212 84 Ex (2 998x108) 2 377 1/0 : . . = 1 . 25/110 greater binding energy Nuclides with an even number of protons Neutrons stable than those with odd numbers . 208 2 alpha particles per - 3: : Th 4 + 2+ V 234 J neuron more Th > - 90 X X decays "J - = S : "It Perkn a proton _ 208 V = 82 beta emission Pe + 2 Pa 15 More Ex4 are 234 = Pb Ex . /1628 2 645 + to produce - . amu X 10") (9 10) decays R2P0 >He 3 30055am 9/0 Po am . 18 9984 : 0 1593 23 12 377 A nucleus + 18 9984 electrons amo . - of mass . , 1577 19 = actual an neutron : 1 0087 amo , expected has 2* likely to be more : "N 14N + combines with !N - , H + a 1 neutron to produce C another particle

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