how many kinds of atoms are there?
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- There are more than 109 different types of atom - one for each element. Differences between the atoms give the elements their different chemical properties. In 2001, there were 115 known elements. However, those above 109 are highly unstable and have been made in only tiny quantities. Scientists are able to make tiny amounts amounts of these new elements in the laboratory.
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What is an Atom? However, one proton weighs more than 1,800 electrons. Atoms always have an equal number of protons and electrons, and the number of protons and neutrons is usually the same as well. Adding a proton to an atom makes a new element, while adding a neutron makes an isotope, or heavier version, of that atom.
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- H, atomic number 1. Types: a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms. any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter.
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Questions and Answers How many elements are there? An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element it is.
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Atoms & Nuclear Chemistry Isotopes. 2 or more atoms of the same element which have different numbers of neutrons. Carbon 12, the most common form of carbon, has six protons and six neutrons, whereas carbon 14 has six protons and eight neutrons.
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- It should be clear that all matter is made of atoms. From the periodic table, it can be seen that there are only about 100 different kinds of atoms in the entire Universe. These same 100 atoms form thousands of different substances ranging from the air we breathe to the metal used to support tall buildings.
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How many elements are there on the world? The same elements are composed of atoms of different substances in the same kind. The distance of each element of the element atoms in the solid state, liquid and gas varies. All elements are composed of animate and inanimate. There are 118 elements known today. Although one of these 92 elements in nature,synthetic elements from the rest of the laboratories. The elements are represented by symbols and the symbol of each element are unique.
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Chapter 4 Study Guide How many protons and electrons are in an atom with atomic number of 17? 17 protons and 17 electrons. Atomic number is defined to be the number of protons in the nucleus.
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What Is a Material That Contains Only One Type of Atom? A: A material that contains only one type of atom is called an element. There are 98 elements known to occur naturally, along with another 20 that have been synthesized in laboratories, as of 2015. Hydrogen, the lightest element, is also the most abundant chemical substance in the universe.
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Questions and Answers Yes, all things are made of atoms, and all atoms are made of the same three basic particles - protons, neutrons, and electrons. But, all atoms are not the same. You know that the number of protons in an atom determines what element you have. For instance hydrogen has one proton, carbon has six. The difference in the number of protons and neutrons in atoms account for many of the different properties of elements.
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Question: How many atoms are there in the world The earth has a mass of 5.9742 × 10^24 kg. That’s more than 500000000000000000000000000000000 grams. Multiply them together and you get about. 100000000000000000000000000000000000000000000000000000000000000 atoms.
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How many atoms are in the human body? Then, let's assume an average adult weighs 70 kilograms. Be sure to keep in mind that the following numbers are based on the number of atoms, not percent of body weight (by weight we are mostly oxygen). A 70 kg body would have approximately 7*1027 atoms. Of that, 4.7*1027 would be hydrogen atoms, which have one proton and one electron each. Another 1.8*1027 would be oxygen, which has 8 protons, 8 neutrons and 8 electrons. There are 7.0*1026 carbon atoms, which have 6 protons, 6 neutrons and 6 electrons.
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- Answers.com ® WikiAnswers ® Categories Science Chemistry Elements and Compounds Atoms and Atomic Structure How many atoms do halogens have?
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How Many Atoms Are There in a Human Cell? Have you ever wondered how many atoms are in a human cell? It's a huge number, so there is no exact figure, plus cells are different sizes and are growing and dividing all the time.
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- The first Republican presidential primary debate will take place Thursday night, as the top 10 — and bottom seven — Republican candidates will look to stand out amid a crowded field and the behemoth that is front-runner Donald Trump.
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The Atom Each atomic nucleus consists of one or more nucleons, and each atom in turn consists of a cluster of nucleons surrounded by one or more electrons. There are two known kinds of nucleon: the neutron and the proton. The mass number of a given atomic isotope is identical to its number of nucleons.
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Atoms Around Us Protons, neutrons, and electrons can then organize to form atoms. Atoms are then used to create the molecules around us. As we just learned, there are almost 120 elements that can be found in the molecules we know. Smaller molecules can work together and build macromolecules.
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How Many Atoms in The Universe The observable universe contains about 3 to 100 × 1022 stars (30 sextillion to a septillion stars), organized in more than 80 billion galaxies, which themselves form clusters and superclusters. Two approximate calculations give the number of atoms in the observable universe to be close to 1080.
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How many different kinds of atoms are there? Atomic mass number = # of protons + # of neutrons. Every element has some number of neutrons in each atom; some elements can have various numbers. For example, carbon has 6 protons, and almost always has 6 neutrons. But sometimes it has only 2 neutrons, or as many as 16. Atomic charge = # of protons - # of electrons. Normally, every atom has an equal number of protons and electrons, so the charge is zero. But sometimes there are extra electrons, or electrons are taken off. Source(s): http://en.wikipedia.org/wiki/Chemical_el...
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Some basic chemistry Many elements have different isotopes. Although the numbers of protons and electrons are the same in all atoms of a given element, the number of neutrons may differ. For example, in a typical sample of carbon: 98.9% of the carbon atoms have 6 protons, 6 electrons and 6 neutrons.
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Questions and Answers How many elements are there? An element is a substance that is made entirely from one type of atom. If you had very, very good eyes and could look at the atoms in a sample of hydrogen, you would notice that most of the hydrogen atoms would have no neutrons, some of them would have one neutron and a few of them would have two neutrons.
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How many more chemical elements are there for us to find? Each element is assigned a number: for instance, carbon is number 6. These numbers are not arbitrary labels, but have a fundamental significance. They specify how many protons, a kind of elementary particle, the atom contains.
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Atoms, Isotopes, Ions, and Molecules Isotopes are atoms of the same element (that is, with the same number of protons in their atomic nucleus), but having different numbers of neutrons. Thus, for example, there are three main isotopes of carbon. All carbon atoms have 6 protons in the nucleus, but they can have either 6, 7, or 8 neutrons.
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What Is Made up of Only One Kind of Atom? Quick Answer. A chemical element is a substance made up of one type of atom. The known chemical elements are arranged on a periodic table in order of their atomic numbers, which represent the number of protons in one atom of an element. Continue Reading.
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- One proton makes a hydrogen atom. The difference between isotopes is the number of neutrons bound to that proton. There are six known hydrogen isotopes, ranging from H-1 to H-6. The H-4 isotope has a range of half-life values, depending on the overall energy of the nucleus and its total angular momentum quantum number.
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Questions and Answers What is an atom? What are atoms made of? Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons. Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all.