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.
Answers: 1
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Agroup of students working in a high school chemistry lab believe they have discovered a new element...
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