The chemical symbol for Thallium is Tl. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. The chemical symbol for Mercury is Hg. Carbon is one of the few elements known since antiquity. Q:-Calculate the amount of carbon dioxide that could be produced when (i) 1 mole of carbon is burnt in air. The chemical symbol for Rubidium is Rb. The chemical symbol for Praseodymium is Pr. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. The atomic mass of chlorine is 35. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. It has two isotopes of atomic mass 35 and 37. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Step 1: List the known and unknown quantities and plan the problem. 1 sig fig = 40 Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The difference is a measure of the nuclear binding energy which holds the nucleus together. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. The standard SI unit is kilograms per cubic meter (kg/m3). Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. The chemical symbol for Manganese is Mn. Chlorine haselectronic configuration [Ne] 3s23p5 withthe seven electrons in the third outermost shell acting as its valenceelect… Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. The name samarium is after the mineral samarskite from which it was isolated. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. On the other hand, nuclei with an odd number of protons and neutrons are mostly unstable. Thus, 35.45g/mol x 2 is equal to 70.90g/mol and is the molar mass of chlorine gas. Popular Questions of Class Chemistry. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 electrons in the atomic structure. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. Unstable isotopes decay through various radioactive decay pathways, most commonly alpha decay, beta decay, gamma decay or electron capture. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. is a rare earth element with a metallic silver luster. What is the atomic number of chlorine? Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. The chemical symbol for Actinium is Ac. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Mass was no longer considered unchangeable in the closed system. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. For example, actinides with odd neutron number are usually fissile (fissionable with slow neutrons) while actinides with even neutron number are usually not fissile (but are fissionable with fast neutrons). Correct answer - What is the atomic mass of chlorine? The chemical symbol for Iron is Fe. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. It must be noted, especially nuclear cross-sections may vary by many orders from nuclide with the neutron number N to nuclide with the neutron number N+1. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. The chemical symbol for Mendelevium is Md. The number of neutrons C. The number of electrons D. The number of ions ››More information on molar mass and molecular weight. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. That meansthat the total massof a chlorine atomis about 35.5 atomic massunits. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. For example, the neutron number of uranium-238 is 238-92=146. Technetium is the lightest element whose isotopes are all radioactive; none are stable. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Only two stable nuclides have fewer neutrons than protons: hydrogen-1 and helium-3. The unit of measure for mass is the atomic mass unit (amu). The chemical symbol for Titanium is Ti. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. If there are too many or too few neutrons for a given number of protons, the resulting nucleus is not stable and it undergoes radioactive decay. Chlorinehas 17 protons in its nucleus and its most common isotope has 18 neutrons. When we use data that are related to certain product, we use only data released by public relations departments and allowed for use. Neptunium metal is silvery and tarnishes when exposed to air. Lead is widely used as a gamma shield. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. The chemical symbol for Francium is Fr. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. There are two stable isotopes, 35 Cl (75.77%) and 37 Cl (24.23%), giving chlorine a standard atomic weight of 35.45. The chemical symbol for Europium is Eu. c. a centrifuge. Many other rare types of decay, such as spontaneous fission or neutron emission are known. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. In other words, in every 100 chlorine atoms, 75 atoms have a mass number of 35, and 25 atoms have a mass number of 37. This website does not use any proprietary data. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. If the atomic mass of chlorine is 3 5. Main purpose of this project is to help the public learn some interesting and important information about the peaceful uses of nuclear energy. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. The chemical symbol for Holmium is Ho. The longest-lived radioactive isotope is 36 Cl, which has a half-life of 301,000 years. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. 2 sig figs = 35. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. The chemical symbol for Platinum is Pt. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. 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