chemistry unit 3- nuclear chemistry

nuclear stability the larger a nucleus is, the harder it is for it to stay together Natural decay/ natural transmutation when a nucleus is radioactive it gives off decay particles and changes from one element Read more…

Unit 16 nuclear chemistry

Nuclear reaction A reaction in which the nucleus of an atom is changed affecting the identity of that element What are some differences between chemical reactions and nuclear reactions? Elements may be changed in a Read more…

Unit 3-part 2: Nuclear Chemistry

electromagnetic radiation (EMR) high energy particles with no mass given off by different objects photons “packet” of energy that moves through space, all types of EMR fall into one of these “packets” electromagnetic spectrum (EMS) Read more…

TOPIC 4: Chapter 21 — Nuclear Chemistry

nuclear reaction a reaction that affects the nucleus of an atom radioactive decay the disintegration of an unstable atomic nucleus into one or more different nuclides, accompanied by the emission of radiation, the nuclear capture Read more…

Nuclear Chemistry

Niel’s Bohr • In 1913 Niels’ Bohr, a Danish physicist proposed a new model for the hydrogen atom •He proposed that the electron has certain orbits that it has to stay in that circle the Read more…

Nuclear Chemistry: Unit 5

Most chemical reactions involve The exchange or shafing of electrons which does not affect the nucleus How is nuclear chemistry different than other chemical reactions? Bc it involves changes in the nucleus Transmutation When the Read more…

Nuclear Chemistry (Notes)

Discovery of Radiation Henri Becquerel 1896 – wrapped photographic film in black paper, put uranium on top and left it in the sun – the photograph was “exposed” so he figured the uranium had absorbed Read more…

Chemistry Exam IV-Unit 10 Nuclear Chemistry

2 Types of Nuclear Reactions 1. Radioactive Decay 2. Nuclear Bombardment (Particle Accelerator) Proton Particle ∆Z=-1, ∆A=-1 Neutron Particle ∆Z=0, ∆A=-1 Beta Particle ∆Z=+1, ∆A=0 Positron (+ electron) ∆Z=-1, ∆A=0 Alpha Particle ∆Z=-2, ∆A=-4 Gamma Read more…

Chem Ch.21 (Nuclear Chemistry)

Nuclear Reactions Transformations of atomic nuclei that can involve enormous changes in energy. Roughly 13% of electricity worldwide comes from nuclear power plants. i.e. Energy of stars and created by nuclear power plants. (908) Flashcard… Read more…

Nuclear Chemistry Review

Radioactivity Process by which nuclei of unstable isotopes emit radiation Subatomic Particles in the Nucleus In the nucleus of an atom, there are protons (p+) and neutrons (n0) Radioisotope An unstable isotope that is subject Read more…

Nuclear Chemistry Crossword

Chernobyl site of 1986 nuclear disaster gamma decay nuclear radiation that has no mass and no charge half life the time required for half of a sample of a radioactive isotope to break down by Read more…

AP Chm 19: Radioactivity and Nuclear Chemistry

radioactivity the emission of subatomic particles or high energy waves by some nuclei of some atoms radioactive atoms which spontaneously emit subatomic particles or high energy waves phosphorescence long-lived emission of light after the absorption Read more…

nuclear chemistry in our world today

nuclear fission (splitting; energy released) The splitting of an unstable nucleus into two or more lighter more stable nuclei and releasing energy. nuclear fusion (combining) The combining of two lighter nuclei into one heavier nucleus Read more…

Nuclear Chemistry Definitions

radioactivity emission of high-energy radiation from the nucleus of an atom nuclide nucleus of an isotope transmutation process of changing one element into another via nuclear decay Why do nuclides decay? to obtain a stable Read more…

Nuclear Chemistry

Proton location Nucleus Proton mass 1 amu Proton charge +1 Nuclear symbol 1P 1 Neutron location Nucleus Neutron mass 1 amu Neutron charge Neutron symbol 1n 0 Electron location Energy level or outside nucleus Electron Read more…

Nuclear Chemistry Quiz

isotopes atoms of the same element that have different numbers of neutrons radioactivity the process by which an unstable nucleus gives off nuclear radiation radioisotopes an isotope that has an unstable nucleus and undergoes radioactive Read more…