Chemistry

Chemistry, 14.10.2019 13:00, mcccreamullinsr

Why must each atom of an element always have the same number of protons?

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Chemistry, 24.06.2019 21:30, Hrjohnson2004

1. an isotope is an atom of an element that differs in its number of a. protons b. neutrons c. eletrons 2. what determines what element an atom is? a. the number of protons and neutron in an atom b. the number of electrons in the atom c. the number of neutrons in the atom d. the number of protons in the atom 3. which of the following contributes to the mass number? a. number of protons and neutrons b. number of protons only c. number of neutrons and electrons d. number of protons and electrons

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Biology, 26.06.2019 22:30, laurenrubin18

You are studying an element whose atoms have 10 protons. then you see a picture in your textbook of an atom with 12 protons. which of the following is true? a) the atom with 12 protons is the same element than the atom with 10 protons b) the atom with 12 protons is a different element than the atom with 10 protons c) both atoms have the same atomic number d) none of the above is true

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Physics, 06.07.2019 09:00, bdog2213

Match the correct term with the definition question 1 options: the positive particle in the nucleus of an atom an atom of an element that has a different number of neutrons that the standard atom of that element the number of protons an atom has protons + neutrons in the nucleus of an atom the neutrally charged element in the nucleus of an atom 1. atomic mass 2. neutron 3. atomic number 4. proton 5. isotope

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Physics, 06.07.2019 09:00, thesleepycat

Match the correct term with the definition question 1 options: the positive particle in the nucleus of an atom an atom of an element that has a different number of neutrons that the standard atom of that element the number of protons an atom has protons + neutrons in the nucleus of an atom the neutrally charged element in the nucleus of an atom 1. atomic mass 2. neutron 3. atomic number 4. proton 5. isotope i need pls

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