Chemistry

Chemistry, 22.08.2019 18:40, 123jefe

In chemistry, in the following type of shorthand, what does the number next to the element name mean? hydrogen-3

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Chemistry, 24.06.2019 03:20, Lesquirrel

Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting? upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. what is the atomic number? what is the mass number? is this a new element? explain. give the name and symbol for this element. is it solid, liquid, or gas? explain

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Chemistry, 05.08.2019 01:10, tariqobrien6241

Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting! upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. use page 495 and the periodic table (pages 500-501) to answer the following questions about this new element. 1. what is the atomic number of this element? ¬¬ 2. what is the mass number of this element? 3. is this really a new element? explain your reasoning. 4. give the name and symbol for this 5. when the students discovered it, did they find a solid, a liquid, or a gas? explain your reasoning.

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Chemistry, 09.08.2019 01:10, neariah24

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In chemistry, in the following type of shorthand, what does the number next to the element name mean...

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