Proton Essays

  • Electrons And Protons Essay

    918 Words  | 4 Pages

    universe. They are made up of 3 subatomic particles called protons, neutrons and electrons. Protons have a positive charge, neutrons have no charge and electrons have a negative charge. Neutrons and protons are approximately similar in size as they both have an atomic mass of 1. His mass is relative to an element on the period table called carbon, which consists of an atom with 12 protons. Electrons however, are much lighter than protons and neutrons. In fact, they are 1837 times lighter Recently

  • Pros And Cons Of Sulphur

    1234 Words  | 5 Pages

    similar as the proton number which is located in the nucleus and converts the nucleus in to a positive charge as neutron is a neutral charge (+-) so positive (+) plus neutral (+-) equals a positive charge. The atomic mass for sulphur is 32 amu or (Atomic Mass Unit is the international system of units). The melting point of sulphur is 112.8 °C and the boiling point of Sulphur is 444.6 °C. Sulphur has an equal number of proton and neutron due to its atomic mass subtracted by the proton/atomic number

  • Lithium Atomic Structure

    1751 Words  | 8 Pages

    the periodic table lithium’s atomic number is 3. The atomic number describes the number of protons in the nucleus and the number of electrons in the atom when it is not ionized. (An ion is an atom where the amount of protons and electrons is not equal.) Lithium has 3 protons; therefore it must have 3 electrons when it is not ionized. The protons and neutrons together form the nucleus. Lithium has 3 protons and usually 4 neutrons since its atomic weight is 6.9 according to the periodic table. The

  • Nuclear Energy

    1433 Words  | 6 Pages

    the energy that is found in the nucleus of an atom. Atoms are smaller particles, which can be divided into a material. In the nucleus of each atom there are two types of particles (neutrons and protons) which are always united. Nuclear energy is the energy that allows the permanent union of neutrons and protons. In this section, we discuss the pros and cons of nuclear energy. Although most organizations related to nuclear energy has already an opinion for or against the use of nuclear energy, on this

  • Why I Love Persuasive Essay

    733 Words  | 3 Pages

    Persuasive Essay The heart is the central or innermost part of an human. Enough said, hands down, most important. The heart is the nucleus of the human, similar to the protons and neutrons in the nucleus of an atom. No other living organism can feel the feelings we have with the heart. Each human loves a particular hobby even if it is sleep, love of the Earth, and most humans love a particular someone. Whether a spouse, friend, or family member everyone has strong feelings for someone. For example

  • Famous Influences In Ernest Rutherford's Experiments

    1009 Words  | 5 Pages

    on non-renewable fuels were self-destructive. Soddy was and still is a successful scientist of the atomic model and theory thanks to his findings of isotopes. The same elements exist in different forms, with nuclei having the same number of protons but different numbers of neutrons. This changed the theory of the atomic model. Soddy used the rather basic tools and used the ones available to him. This includes hand blown glass bulbs, carefully made and then evacuated to create what is commonly

  • Atomic Theory Research Paper

    1675 Words  | 7 Pages

    The Modern Development of Atomic Theory According to Democritus, “Nothing exists except atoms and empty space; everything else is opinion.” This conveys the controversy in scientific investigations made in defining a singular molecule. Since 460 BC, atomism has been an alternating concept of chemistry. Several significant scientists have contributed to this field profoundly. The modern development of the atomic theory is based on researches and discoveries of Democritus, John Dalton, J.J. Thomson

  • Advantages And Disadvantages Of Nuclear Energy

    1375 Words  | 6 Pages

    NUCLEAR ENERGY Nuclear energy is the energy in the nucleus of an atom. Atoms are the smallest particles that can break a material. Nuclear energy can be used to produce electricity. This energy can be obtained in two ways: nuclear fusion and nuclear fission. In nuclear fusion, energy is released when atoms are combined or fused together to form a larger atom. In nuclear fission, atoms are split into smaller atoms, releasing energy. Actually, nuclear power plants can only use nuclear fission to produce

  • John Dalton's Atomic Theory

    711 Words  | 3 Pages

    as bullets, Rutherford knocked hydrogen nuclei out of atoms of six elements: boron (B), fluorine (F), sodium (Na), aluminum (Al), phosphorus (P) and nitrogen (N). He named them protons, from the Greek for 'first', for they consisted of the first identified building blocks of the nuclei of all elements. He found the protons mass at 1,836 times as great as the mass of the electron. But there appeared something terribly wrong with Rutherford's model of the atom. The theory of electricity and magnetism

  • Relative Atomic Mass Lab Report

    380 Words  | 2 Pages

    Explain what is meant by relative atomic mass?- Relative atomic mass is the measure of the mass of an element which consists of the protons and neutrons; it is always the bigger number and has the symbol Ar. An obvious example of this is oxygen has the Ar of 16 yet sodium has the Ar of 23. Explain how relative formula mass is calculated using the periodic table- You need to find the relative atomic mass (M) for each atom but this can only be done when the relative atomic mass have been found

  • Advantages And Disadvantages Of Radiopharmaceuticals

    784 Words  | 4 Pages

    Isotopes are atoms that contain the same number of protons but have different numbers of neutrons (What is Isotope). These isotopes contain similar chemical properties but have different physical properties due to their atomic mass. Or in other words, isotopes have the same atomic number but differ in mass (What is an Isotope). “There are 90 naturally occurring elements with roughly 250 stable isotopes, and over 3200 unstable or radioactive isotopes” (Why are Isotopes Important). A stable isotope

  • History Of Atom Research Paper

    776 Words  | 4 Pages

    the atom but some reflected or even bounced of the gold foil. Rutherford concluded that there was a positive group of particles in the centre of the atom he revised Dalton’s original model and said that atoms were made up of a positive nucleus of protons and that the electrons orbited this centre. He was unable to explain why the electrons orbited the nucleus and did not spiral inward as they lost

  • Bohr's Atomic Model And The Electron Cloud Model

    1723 Words  | 7 Pages

    There have been many models constructed by scientists who have tried to figured out how an atom is made up and what exactly it is made up of but two of the best atomic models of the atom are Bohr’s atomic model and the Electron cloud model which were both made in the early 1900s . In 1913 the Danish physicist Niels Bohr had created Bohr’s atomic model showing the atom and how it was structured. Bohr’s atomic model was the first known model of an atom that incorporated the quantum theory and also

  • Electrons In Metals Lab Report

    842 Words  | 4 Pages

    Electrons in Metals Fallyn Walker 14423422 An electron is a negatively charged, sub atomic particle. It is a fermion, a particle named after the Fermi-Dirac statistics, which describes the electrons behaviour . Bohr proposed that the electron could move from orbitals. This could explain the spectrum for hydrogen but failed for other elements. The electron has a half integer spin, which leads to intrinsic angular momentum, a feature that all fermions possess. Pauli’s Exclusion principle states that

  • Periodic Table Lab

    1360 Words  | 6 Pages

    Determination of the Periodic Properties of the Elements Introduction : Periodic Table shows the properties of elements are periodic functions of their atomic numbers. The periodic table contains alkali metals, alkaline earth metals, transition metal, basic metal, semimetal, non-metal, halogen, noble gases, lanthanides and actinides. The periodic table is important because it is organized to provide a lot of information about elements and how they relate to each other in one easy-to-use reference

  • Helium Laser Lab Report

    2073 Words  | 9 Pages

    4. Basic operation of the Helium-Neon Laser. 4.1. How to Make Helium-Neon Laser. The goal of this experiment is to know how to make a simple Helium & Neon LASER So we will need to three principal elements to make a laser :- (1) Energy pump. (2) Optical gain medium. (3) Optical resonator. Now we must know the role of every element in this experiment Energy pump: A 1400-V DC power supply maintains a glow discharge or plasma in a glass tube containing an optimal mixture (typically 5:1 to 7:1)

  • Law Of Conservation Of Mass Essay

    1225 Words  | 5 Pages

    ADI Lab Investigation - Law of Conservation of Mass The Law of Conservation of Mass states that mass is neither created nor destroyed. The law also states, that the mass of the reactants are equal to the mass of the products in a chemical reaction. Matter is composed of atoms, and atoms can be bonded to form different types of molecules. In a chemical reaction, no new atoms are created, and no atoms are destroyed. Also, in a chemical reaction, bonds between atoms in the reactants are broken, and

  • The Importance Of Chemistry

    910 Words  | 4 Pages

    Chemistry is the branch of science that deals with the composition, structure and changes in matter. You are a product of chemistry, apparently, everything is! From the tiniest grain of sand to the heavenly bodies in the universe, the stars, the planets, they are products of chemistry, can you even envision a world without chemistry? Of course, you can’t, your mind is a product of chemistry too! It is also used in daily human activities, such as cooking. But even though I have stated some its uses

  • Disadvantages Of Proton Therapy

    1772 Words  | 8 Pages

    2.1 Proton therapy The first who came up with the idea to use accelerated protons in cancer radiation therapy was Robert Wilson in 1946 [6]. In his paper he stated the basic principles and potential of this discipline. After the paper was published it took 8 years before the first proton therapy treatment took place in Berkeley [7], followed by Uppsala in 1957. The accelerators used for these treatments were based on existing particle accelerators designed for fundamental research. The applications

  • Boron Research Paper

    1915 Words  | 8 Pages

    1.1 Boron History & Overview: Boron is an element of the periodic table belonging to the group 13. It is the only non metal present in its group. Boron has three valence electrons. It is capable of forming covalent bonds between atoms of similar nature to form polyhedral clusters. Boron has 2 stable isotopes in nature. i.e.11B (80.1%) and 10B (19.9%). Boron exists in bound state. Figure1. Elemental form of boron The history of boron is derived from almost 6000 years ago, when boron compounds