Chemistry

Chemistry, 31.07.2019 09:00, Mrlittlefish

What is the number of protons in the isotope 14c

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Physics, 01.07.2019 09:00, oopsorry

Isotope a contains 56 protons and 80 neutrons. isotope b contains 55 protons and 81 neutrons. isotope c contains 57 protons and 80 neutrons. isotope d contains 56 protons and 74 neutrons. which isotopes have the same mass number?

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Chemistry, 02.07.2019 11:30, leoiscoolcool

Determine the number of protons, electrons, and neutrons for each isotope described below. 13. an isotope has atomic number 19 and number 39 14. an isotope has 14 electrons and a mass number of 28 15. an isotope has 21 neutrons and a mass number of 40 16. an isotope has an atomic number 51 and a mass number 123 answer the following question 17. which of the isotope in problems 13-16 are isotopes of the same element? identify the element?

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Chemistry, 20.08.2019 15:30, Clayton2847

There are three naturally occurring isotopes of hydrogen. study the table of isotopic information below. name of hydrogen isotope symbol description protium 1h the most common isotope of hydrogen deuterium 2h can combine with oxygen to form a compound known as "heavy water" tritium 3h low-level radioactive isotope that is often used to trace hydrogen-containing molecules in scientific experiments which isotope contains the greatest number of protons? a. tritium b. they all contain the same number of protons. c. deuterium d. protium

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Chemistry, 19.09.2019 20:20, lke123

The isotope of an unknown element, x, has a mass number of 79. the most stable ion of this isotope has 36 electrons and has a 22 charge. which of the following statements is(are) true? for the false statements, correct them. (a) this ion has more electrons than protons in the nucleus. (b) the isotope of x contains 38 protons. (c) the isotope of x contains 41 neutrons. (d) the identity of x is strontium, sr.

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