Chemistry
Chemistry, 17.11.2019 20:31, he0gaubong

4. how many neutrons does a sodium atom have? *

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Chemistry, 28.07.2019 03:50, manco6
5questions to answer 1) electrons are transferred in the formation of bonds. a) ionic b) covalent c) metallic d) all chemical 2) which pair below describes isotopes of the same element? a) an atom with 6 protons and 8 neutrons - an atom with 8 protons and 6 neutrons b) an atom with 6 protons and 6 neutrons - an atom with 6 protons and 7 neutrons c) an atom with 8 protons and 8 neutrons - an atom with 7 protons and 8 neutrons d) an atom with 7 protons and 6 neutrons - an atom with 6 protons and 6 neutrons 3) describe the composition of the nucleus of an atom. a) it is composed of protons. b) it is composed of protons and neutrons. c) it is composed of protons and electrons. d) it is composed of protons, neutrons, and electrons. 4) reactant → product if there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? a) 0 grams b) 2 grams c) 4 grams d) 8 grams 5) 2na + cl2 → 2nacl sodium and chlorine combine to form table salt. given the chemical reaction, how many grams of 2na + cl2 would be required to produce 4 grams of table salt? a) 2 grams b) 3 grams c) 4 grams d) 8 grams
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Chemistry, 20.09.2019 17:00, jojo492192
Write the atomic symbols for isotopes with the following characteristics? 1)an oxygen atom with 10 neutrons 2)a neon atom with twelve neutrons 3)25 electrons and 28 neutrons 4)a mass number of 24 and 13 neutrons 5)a titanium atom with 25 neutrons
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Chemistry, 13.10.2019 23:50, ANONYMUSNESS8670
The sodium atom loses an electron to form a sodium ion (na+). which statement is correct with respect to its atomic radius? the sodium ion has a larger radius than the atom. the sodium ion has a smaller radius than the atom. the sodium ion and the sodium atom radii are the same size. the sodium ion has twice the radius of the sodium atom.
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