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Determine the mass number and atomic number and write symbols in the form for the atoms...
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the...
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the numbers of protons, electrons, and neutrons that they contain The number of protons, electrons, and neutrons in atoms determines the chemical properties of the elements .A knowledge of the number of protons and electrons in an atom will help you understand how atoms combine to form molecules Identify the composition of atoms in terms of protons, neutrons, and electrons Use atomic symbols to represent...
1. An atom of nitrogen with a mass number of 15 and an atomic number of...
1. An atom of nitrogen with a mass number of 15 and an atomic number of 7 has a total of neutrons. 2. An atom of potassium with a mass number of 39 and an atomic number of 19 has a total of neutrons 13 17 18 15 19 20 24 35 3. An atom of aluminum with a mass number of 24 and an atomic number of 13 has a total of neutrons. 4. An atom of oxygen with...
Write the atomic symbol () for each of the following isotopes described below. a. number of...
Write the atomic symbol () for each of the following isotopes described below. a. number of protons = 47, number of neutrons = 61 b. the isotope of boron with mass number = 10 c. atomic number = 33, number of neutrons = 59 d. number of protons = 92, mass number = 140
1/ What is the atomic mass and atomic number for the following (show how to write...
1/ What is the atomic mass and atomic number for the following (show how to write it and express it). How many protons, neutrons, and electrons are present in atoms with the following characteristics? a. Fe? ? b. Be? ? c. Au? ? d. Pb? ? 2/ How many valence electrons do atoms with the following electron configurations have and what is the chemical symbol? 1s22s22p63s2 1s22s22p63s23p64s23d104p6 1s22s22p63s23p5 1s22s22p63s23p64s23d10
1. Complete the following table. Name element atomic notation atomic number mass number number of protons...
1. Complete the following table. Name element atomic notation atomic number mass number number of protons number of neutrons hydrogen number of electrons Thorium 233 Th 90 233 190 fluorine 2 142 90 10 9 90 9 19 Selenium 34 Sulfur 34,65 34 34 34 16 34 30 28 Pilicon 23 usi 14 14 29 36 7 15 7 8 7 79 44 81 35 45 15 Nitrogen IN BromINE 35 Bromine 35 Uranium Uranium 992092 sa zote 26 54...
1. what is the name of element, for this symbol Fe, the atomic number, mass number, protons,neutrons, electrons 2. what...
1. what is the name of element, for this symbol Fe, the atomic number, mass number, protons,neutrons, electrons 2. what is the name of element, symbol, atomic number, when mass number is 27,electrons 13, complete for protons, neutrons. 3. what is the name of elements, symbols, atomic number, mass number, when protons is 19, neutrons 20, find the electrons. 4. what is the symbol for Bromine, what is atomic number, protons, neutrons, electrons when the mass number is 80. 5....
1) Define the following: matter, element, atom, trace element, proton, electron, neutron, atomic number, mass number,...
1) Define the following: matter, element, atom, trace element, proton, electron, neutron, atomic number, mass number, isotopes, radioisotope, molecule, compound, salt, ion. 2) List the 6 elements that make up about 99% of the weight of an organism. 3) What are the functions of the trace elements iron, fluorine (fluoride), and iodine? 4) An iodine deficiency can result in goiter. True/False 5) Where are protons, neutrons and electrons located? 6) Can you determine the atomic number and mass number from...
me <Chemistry Primer Understanding Chemical Symbols 12 of 23 In this form the mass number 35,...
me <Chemistry Primer Understanding Chemical Symbols 12 of 23 In this form the mass number 35, is a stacked superscript. The atomic number 17, is a stacked subscript'cr is the chemical symbol for the element chlorine A general way to show this formis b. Symbol Sharing ng ols > It is also correct to write symbols by leaving off the atomic numbers in the following form Corber Symbol This is because you write the element symbol, such as Cl, you...
please answer 47,48 and 49 *show work and calculations* 16) Atoms with the same atomic number...
please answer 47,48 and 49
*show work and calculations*
16) Atoms with the same atomic number and different mass numbers 46) A) are isomers B) do not exist C are isotopes D) are allotropes E) are resonance structures 47) At approximately what number of protons, or neutrons, does the 1.1 ratio of protons to neutrons start to produce unstable nuclei? A) 20 B) 10 D) 50 C) 80 E) 30 48) Transuranium elements have atomic numbers greater than B) 91...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r 77 PROTONS, 77 RECTCONS, 119 NEARONS b. Pb S2 PROTONS, 32 ELECTRONS, 157 NEUTRONS c. 2 GA 31 PROTONJ, 31ELEGRONJ, 42 NEUTRONS 28 Ni 7. (9 points) Write the mass number, atomic number, and chemical symbol for the following isotopes: a. 13 protons, 13 electrons, 15 neutrons 139 b. 76 protons, 76 electrons, 115 neutrons C. 88 protons, 88 electrons, 138 neutrons
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the numbers of protons, electrons, and neutrons that they contain The number of protons, electrons, and neutrons in atoms determines the chemical properties of the elements .A knowledge of the number of protons and electrons in an atom will help you understand how atoms combine to form molecules Identify the composition of atoms in terms of protons, neutrons, and electrons Use atomic symbols to represent...
1. An atom of nitrogen with a mass number of 15 and an atomic number of 7 has a total of neutrons. 2. An atom of potassium with a mass number of 39 and an atomic number of 19 has a total of neutrons 13 17 18 15 19 20 24 35 3. An atom of aluminum with a mass number of 24 and an atomic number of 13 has a total of neutrons. 4. An atom of oxygen with...
1. Complete the following table. Name element atomic notation atomic number mass number number of protons number of neutrons hydrogen number of electrons Thorium 233 Th 90 233 190 fluorine 2 142 90 10 9 90 9 19 Selenium 34 Sulfur 34,65 34 34 34 16 34 30 28 Pilicon 23 usi 14 14 29 36 7 15 7 8 7 79 44 81 35 45 15 Nitrogen IN BromINE 35 Bromine 35 Uranium Uranium 992092 sa zote 26 54...
me <Chemistry Primer Understanding Chemical Symbols 12 of 23 In this form the mass number 35, is a stacked superscript. The atomic number 17, is a stacked subscript'cr is the chemical symbol for the element chlorine A general way to show this formis b. Symbol Sharing ng ols > It is also correct to write symbols by leaving off the atomic numbers in the following form Corber Symbol This is because you write the element symbol, such as Cl, you...
please answer 47,48 and 49
*show work and calculations*
16) Atoms with the same atomic number and different mass numbers 46) A) are isomers B) do not exist C are isotopes D) are allotropes E) are resonance structures 47) At approximately what number of protons, or neutrons, does the 1.1 ratio of protons to neutrons start to produce unstable nuclei? A) 20 B) 10 D) 50 C) 80 E) 30 48) Transuranium elements have atomic numbers greater than B) 91...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r 77 PROTONS, 77 RECTCONS, 119 NEARONS b. Pb S2 PROTONS, 32 ELECTRONS, 157 NEUTRONS c. 2 GA 31 PROTONJ, 31ELEGRONJ, 42 NEUTRONS 28 Ni 7. (9 points) Write the mass number, atomic number, and chemical symbol for the following isotopes: a. 13 protons, 13 electrons, 15 neutrons 139 b. 76 protons, 76 electrons, 115 neutrons C. 88 protons, 88 electrons, 138 neutrons
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