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. 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, 22.06.2019 12:30, MrSavannahCat
Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d
Answers: 1
Agroup of students working in a high school chemistry lab believe they have discovered a new element...
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