Rutherford’s famous α–particle scattering experiment. “Rutherford and his students (Hans Geiger and Ernest Marsden) bombarded very thin gold foil with α–particles.Thomson, in 1898, proposed that an atom possesses a spherical shape in which the positive charge is uniformly distributed.”ģ. Dalton’s atomic theory was able to explain the law of conservation of mass, law of constant composition, and law of multiple proportions very successfully."Ģ.John Dalton’s atomic model: Dalton’s Billiard Ball (Solid Sphere) Model “ The word ‘atom’ has been derived from the Greek word ‘a-tomio’ which means ‘uncuttable’ or ‘non-divisible’”ġ.JEE Main 2022 Question Paper Live Discussion.Difference Between Selling And Marketing.TS Grewal Solutions Class 11 Accountancy.TS Grewal Solutions Class 12 Accountancy.CBSE Previous Year Question Papers Class 12.CBSE Previous Year Question Papers Class 10.NCERT Solutions For Class 6 Social Science.NCERT Solutions for Class 7 Social Science.NCERT Solutions for Class 8 Social Science.In the atoms family, if 1 Elliott electron is kidnapped, morale of Matterville will become positively charged and if 1 Elliott electron comes as a guest, the morale of Matterville will become negatively charged. Match the following elements with their configuration:ĭemocritus – 2, Dalton- 7, Thomson- 18, Chadwick- 12 ,Rutherford- 8, Proton- 5, Atom-11, Bohr- 15,Atomic number- 13, Neutron- 17, Nucleus- 6, Alpha particle- 3, Electron- 16, Model- 10, Energy level- 4, Mass no.- 9 Match the following elements with their atomic number Match the following elements with their symbol : The third energy street, called the Energy Superhighway, can hold 18 of the brothers. The second energy street, called the Energy Freeway, can hold 8 brothers. The first energy street can only hold only two Electron brothers. He has a frown on his face, eyes that are squinted with anger, and a very negative (-) attitude. Elliott is much smaller than Patty and Nelda and he is always angry because these bigger relatives will not let him in the Arcade. He rides so fast that no one can be sure where he is at any time. Elliott races madly around the Arcade on his bright red chrome-plated Harley-Davidson.
#Atomic structure and theory magic square series
Patty, Nelda, and their sisters spend all their time at the arcade.Īround the Nucleus Arcade, you will find a series of roadways that are used by another member of the Atoms Family, Enraged Elliott Electron. Her family is very apathetic and neutral about everything. Nerdy Nelda Neutron is large like Patty, but she has a boring, flat mouth and eyes with zero expression (o). Patty is always happy and has a very positive personality. Perky Patty Proton, like her sisters, is quite large with a huge smile and eyes that sparkle (+). In the center of Matterville, there is a place called the Nucleus Arcade, where two members of the Atoms Family like to hang out. Proposed the “plum-pudding” model of the atom discovered the electron The neutral particle in the nucleus of an atomġ8. Discovered the nucleus using his gold foil experimentġ7. The number which represents how many protons and neutrons there are in the nucleus of an atom of some element. These subatomic particles have no charge, and are located in the nucleus. Discovered the nucleus using his gold foil experiment. The negative particle that circles the nucleusĨ. Formed the atomic theory model of the atom, thought atoms were solid round balls. Formed the atomic theory model of the atom English schoolteacherġ6. Developed the model of the atom in which electrons orbit the nucleus in energy levelsħ. The tiny positive core of an atom contains protons and neutronsġ5. Current explanation of where electrons might be found in the atomĦ.
The positive particle in the nucleus of an atomġ4. The paths in which electrons circle the nucleus according to the Bohr modelĥ. Used by Rutherford in his experiment made of two protons and two neutronsĤ.
The smallest particle of an element that has the properties of that elementģ. Made a mental model of the atom Greek philosopherġ1. Used by scientists to explain something we can not see or understandĢ. Represented by a symbol all are found on the Periodic Tableġ0. Check your answers by adding the numbers to see if all the sums of all rows, both across and down add up to the same number, the Magic #.
Magic Square: Atomic Structure and Theoryĭirections: Put the number of the definition from the list below into the square with the appropriate term.
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