Chemistry

Chemistry, 10.07.2019 05:00, bjmj4212

How do you determine the mass number of an atoms

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Chemistry, 29.08.2019 16:10, laceytoyne72

2) what is the name of a group of atoms that have the same atomic number but different atomic mass? 3) fluorine’s atomic number is 9 and its atomic mass is 19. how many neutrons does fluorine have? 4). an uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. how many protons does boron have? 5). how can you determine the approximate mass of an atom, in atomic mass units? 6). atoms with the same number of protons but with different electrical charges are 7). in salt, what is the nature of the bond between sodium and chloride? 8). an ionic bond involves 9). the innermost electron shell of an atom can hold up to how many electrons? (the shell closest to the nucleus) 10). what determines the types of chemical reactions or bonds that an atom participates in?

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Chemistry, 29.09.2019 09:50, humphreybrittany42

How you can use atoms mass number atomic number and charge to determine how many protons neutrons and electrons

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Chemistry, 18.10.2019 00:30, jettskii214

For 2,663 kg of a compound with the formula al(so), determine the following quantities (4 pts each); a) the number of moles of the compound in this mass. b) the number of moles of sulfur atoms in this mass. c) the number of aluminum atoms in this mass. d) the mass of oxygen atoms in this mass.

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Chemistry, 26.10.2019 05:43, dearash1730

How can you efficiently determine the number of atoms in a sample of an element? a. first determine the mass of the sample and then convert it to the number of atoms using the molar mass of the element. b. first determine the mass of the sample and then convert it to the number of atoms using avogadro's number and the molar mass of the element. c.use atomic microscope to determine avogadro's number, then determine the mass of the sample and convert it to the number of atoms. d.use atomic microscope to count each atom.

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