Chemistry

Chemistry, 18.09.2019 01:40, wuluchapman

How do you find the atomic mass/mass number of an atom

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Physics, 09.07.2019 13:30, angrybirdsryver

Me true or false 1) an atom has no mass 2) an electron is the largest part of an atom 3) all atoms have the same mass 4) all protons have the same mass 5) all oxygen atoms have the same mass 6) an oxygen atom has the same atomic number as a hydrogen atom 7) to find the atom mass of an atom, we add the protons an electrons 8) the atomic number of an atom is the number of neutrons it has 9) atoms of the same kind that have different numbers of neutrons are called isotopes 10) atomic number = atomic mass

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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, 23.09.2019 07:00, lovemichelle638

He atomic mass of an element is equal to its mass number its atomic number one-twelfth of the mass of a carbon-12 atom the mass of an "average atom" the mass of the heaviest isotope

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