Atoms and nuclei neutron proton a=Z+N Ato Mass CR 4 6 electron atom size≈10 Atomic‖ Neutron nucleus NumberNumber sie≈5x0-15m nucleus ['nju: klias Atomic Number:原子序数 Neutron number:中子数 Nuclei. pl Mass Number:质量数
Atoms and Nuclei Atomic Number:原子序数 Neutron Number:中子数 Nuclei, pl. Mass Number:质量数
Isotopes Atoms having the same atomic number Z but different numbers of neutrons w are called isotopes of the element identified by Z and all elements have a number of Isotopes O.170.18O Specially, Hydrogen H, deuterium H, and tritium H
Isotopes • Atoms having the same atomic number Z, but different numbers of neutrons N are called isotopes of the element identified by Z, and all elements have a number of isotopes. • 16O, 17O, 18O • Specially, Hydrogen 1H, deuterium 2H, and tritium 3H
The Periodic table of the elements Main groups Other groups Main groups lⅢⅣvvvW IlⅢⅣVv Jvm) He Li Be BCNOFNe ca sc ti v cr Mn Fe co Ni cu zn Ga Ge As se IK Rb Sr Zr Nb Mo Tc Ru Rh Pd Ag cd In Sn SbTe cs Ba Hf ta w Re os Ir Pt au Hg ti Pb Bi Po At Rn Fr Ra Ku Ha Sq Ns Hs Mt UunU Lanthanoids La ce Pr Nd Pm sm Eu Gd Tb Dy Ho Er Tm Yb Lu ids Ac Th Pa u Np Pu Am Cm Bk cf Es Fm Md N Background color Metal Font color= Solid states Background color Metalloid Font color= Liquid Background color= Nonmetal Font color
Words must be remembered Atom,原子 Nucleus,原子核 Nuclei, nucleus的复数形式 Nucleon,核子 Electron,电子 Proton,质子 Neutron,中子 Orbita,轨道的
Words must be remembered • Atom, 原子 • Nucleus, 原子核 • Nuclei, nucleus 的复数形式 • Nucleon,核子 • Electron, 电子 • Proton, 质子 • Neutron，中子 • Orbital, 轨道的
The nucleus Let's take a look at the nucleus, where the protons and neutrons reside Breaking these apart can cause a large release of energy Neutron(n) Proton(p) Protons Repel Attract
The Nucleus Let’s take a look at the nucleus, where the protons and neutrons reside. Breaking these apart can cause a large release of energy. Protons