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I learned a lot from our discussion earlier, knowing that Atom is the building blocks that make up a matter, as well as the Theories, just like Atomic Theory by John Dalton, The Raisin Pudding Theory of JJ Thompson, Bohr's Theory by Niels Bohr and Rutherford's Theory which was proposed by Ernest Rutherford, whereas in the Dalton's Atomic Theory states that atoms cannot be destroyed or changed during a chemical reaction and the ratio of it is in a constant phase and expressed by using whole numbers, while in Raisin Pudding Theory it is described as an atom that was full of positively charged space that was filled with negatively charged electrons.  Plum pudding has dough, which is like the positive space.  The raisins are like the negative electrons that occur randomly throughout the positively charged space, while in Bohr's Theory it was stated that electrons are moving around the nucleus of an atom, and lastly is Rutherford's Theory whereas it just correlates with Niels Bohr Theory there are just some minimal changed when it comes to the model itself. Aside from having those theories that are proposed by different people, we have also the Modern Atomic Theory where it is stated that the atom is composed of a negative charge called electron while the positive is called a proton, but besides from the negative and positively charged atoms we also have neutron that has no charge at all, another thing is the central part of the atom was called as nucleus. I also learned about the structure of an atom where is composes of the nucleus, electron, proton, and neutron. Electrons have a mass of 9.1096x10^-28 g while proton has 1.6726x10^-24 g, and the neutron is the same mass of what proton has, and it is discovered by James Chadwick. In addition, when we see in our periodic table of elements all of the elements has its own characteristics, and we can also see the number in the upper left side of it which is called the atomic number of the element, where it represents the number of protons and electrons the element has, it also has the mass number where it is the sum of the number of protons and neutrons. But I also learned the Distribution of the electrons, where we have 4 shell types which are S,P,D,F but before the subshells we also have the K,L,M,N  shells. I also learned the importance of the atomic structure, where we can know the period, the group or family of the element itself. Another things is the Ionization of energy which it is the energy required to remove an electron form an atom, also the Electron Affinities where it is the attraction of an atom for an electron. All in all, I can conclude that atom is not just all about being the building blocks of matter, it is more complex than we think, and I am happy that I learned something new and useful for my future references.

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In this lesson I have learned about atom is a building blocks of matter that consist the three component such as Neutron,Proton and the electron. I discovered that there many scientist who studied about the atom, they have different explanation and definition but the subject is only only and it is all about the atom.

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In this lesson I have learned about atom is a building blocks of matter that consist the three component such as Neutron,Proton and the electron. I discovered that there many scientist who studied about the atom, they have different explanation and definition but the subject is only only and it is all about the atom.

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In today's lesson, I've learned and it gives  me with a basic understanding of the many atomic theories, the structure of an atom, and periodic patterns and that an atom is a unit of matter made up of three components: a neutron, a proton, and an electron. It enables me to comprehend how to determine the period, group, or family of elements, as well as their categorization. I also learned about electron distribution, electron configuration, the aufbau principle, the hund's rule, sublevels, and the relevance of atomic structure, among other things. In the last section, we learnt about the periodic table's position, element locations, atomic radii, ionization energy, electron affinities, and electronegativity.  In addition, I have learnt about subatomic particles and electron dispersion. We had already covered how to write an atom's electron configuration in high school, so it was simple for me to comprehend because I had prior experience with it. In addition, I am now better able to estimate the periodic table's position, element location, atomic radii, ionization energy, electron affinities, and electronegativity. By learning about atomic structure, we can find out how atoms combine and form many compunds. By learning about atomic structure, we can find out how atoms collide. By learning about atomic structure, we can find out why atoms do not have mass.

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I've learned a lot for today's topic. Our lessons have focused on atoms, which are indivisible basic building blocks of matter. They are made up of three particles: the proton, which has a positive charge particle inside the nucleus, the electron, which has a negative charge particle inside the nucleus, and the neutron, which has no charge particle inside the nucleus. I also know and have identified a number of scientists who have aided and contributed to the ease with which these courses have been studied. I also learned that the energy necessary to remove an electron from an atom is known as lonization energy. In any horizontal row or period, it tends to rise as the atomic number rises. The ionization energy decreases as the atomic number increases in any column or group. The attraction of an atom to an electron is known as electron affinity. Ionization energy rises in tandem with electron affinity. Nonmetals have high electron affinities, while metals have low affinities. When an atom is connected to another atom, it has the potential to draw electrons to itself, which is known as electronegativity. The electronegativities of the most active metals are the lowest. The nonmetal fluorine has the highest electronegativity of all the elements. This topic about atom made me realized that it's not that a simple atom, it is more elaborated than we thought.

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For today's lesson, I have learned a lot of things about atom. Aside from learning the basic information about the subatomic particles of matter, wherein it is subdivided into three categories: electron which is negatively charged, the proton which is positively charged and neutron that has a neutral charge. I also learn that atom is electrically neutral because proton and electron has the same atomic level or charge which is basically equals to zero. Our teacher also introduced to us the different atomic models, such are the Dalton's Atomic Model where he stated that no atom can ba made nor destroyed but only combine. Next is the J.J Thompson Atomic Model which is known as Raisin Pudding Theory where he represent atom as a mass of positively charge with electrons scattered around it seems like a raisin pudding. We also have Bohr's Theory by Niel Bohr that he says electrons moves around the nucleus of the atoms in orbits just like how planets revolves around the sun. We also learn Rutherford's theory that says positive part of atom is concentrated in the nucleus of the atom with the electrons spinning around the nucleus. Just like what Bohr said in his theory, the onlydifference is that Rutherford does not explain the energy level of atom in his study.

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I also learned electron configuration which represents the arrangement of all the electron in an atom. There's also Aufbau Principle, which role is building up, in this principle, electrons must fill first lower orbitals that has lower enegy levels before the higher ones. And the Hund's Rule where electron must fill all available empty orbitals before they pair up with electrons in occupied orbitals.

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Moreover, it was quite interesting that I learn quite deeper about periodic table about it's significance and how to use it. A single horizontal row in the periodic table is called period while the vertical column called group or family where elements present there have the similar physical and chemical properties. Metals has the positive oxidation number while nonmetals has negative oxidation number.

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There is so much to learn in the vast world and the ever-expanding universe. But in today’s lesson, I learned that some of the greatest discoveries exist in and can only be studied through the tiniest building blocks of matter, the atom. Today, I learned how the view of the scientific community progressed as time passed from the theories of Dalton to Thompson’s, from Bohr’s to Rutherford’s. and up to the modern views on this field. I learned the structure of this tiny atom, containing protons, neutrons, and electrons, and how the addition of a single of each of these will results to an entirely new element. These elements, although discovered in different times, amazingly, has a specific pattern in their properties which can be observed through the periodic table. These periodic trends describe patterns of how one can distinguish certain aspects about the elements such as the atomic radios and the electronegativity. Today’s lesson left me in awe of discovery as it made me realize that everything in the world, although seemingly spontaneous and random, still can be explained systematically through science and that the world’s scientific knowledge develops and changes through constant study, which inspires me to become an educator in the field of science even more than before.

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Today was a productive day.There are new learnings and lesson I've gained.In today's lesson in Inorganic chemistry we talked about Atoms which is the basic building blocks of chemistry.Ive learned many important things that will help me understand more about Atom specially the different Atomic theories . First is the Dalton Atomic Theory which is introduced by John Dalton, Second is Raisin Pudding Theory introduced by J.J Thompson which atom is a mass of positively charged with electron scattered around it. And third is Borh's Theory introduced by Neil's Borhs which states that the electrons move around the nucleus of the atoms in orbits.Fifth is Rutherford Theory proposed by Ernest Rutherford.And lastly the Modern Atomic Theory.In addition, i learned also the structure of a atom which are the electron proton and neutron. The electron carries a negative charge proposed by J.J. Thompson and the proton carries positive charge proposed by Henry Moseley and the Neutron which carries neutral charge proposed by James Chadwick , in other words neutron has the same electron and proton. Furthermore I learned that atomic number represents the number of protons and also the number of electrons and also the Mass number which is the sum of numbers of protons and neutron. In addition to that I've learned d subshells which is the s, p,d and f and it's number of orbital and the maximum number of electron. Moreover we tackled and discussed the Modern View of atom which are the electron configuration, Aufbau principle and Hands Rule. And also to this lesson through the explanation of my intern teacher I was enlighten about electronic configuration which is I've learned how to identify the period ,the group and a classification. To sum up i also learn the early attempts of classification the Triad by Johann Dobereiner, and the Law of octaves by John Newlands and the Mendeleev Table by Dmitri Mendeleev and lastly the Modern Periodic Table which is the properties by the elements ra periodic function of their numbers. And lastly I learned the Location of the elements and the Periodic trends, Atomic Radius ,Ionization Energy ,Electron Affinity and Electronegativity.