Question

the atomic number of this element is 49. this element has 2 fewer electrons than bromine (br). this element has one more electron than indium (in). this element is directly below the element that has 34 protons in its nucleus. this newly synthesized element has 118 protons. this element has 51 electrons surrounding its nucleus. this element has 6 electrons surrounding its nucleus. this element directly below the element whose atomic number is 81. this element has 81 electrons surrounding its nucleus. the atomic number of this element is 15. this element has 4 more protons than thallium (tl) in its nucleus. this element has 1 less proton than polonium (po) in its nucleus. the atomic number of this element is 114. this element directly below the element that has an atomic number of 52.

Explanation:

Step1: Recall atomic - related facts

In a neutral atom, the number of electrons = number of protons = atomic number.

Step2: Analyze each statement

• "The atomic number of this element is 49." - The element with atomic number 49 is Indium (In).
• "This element has 2 fewer electrons than Bromine (Br). Bromine has an atomic number of 35, so the element has 35 - 2=33 electrons/protons, which is Arsenic (As).
• "This element has one more electron than Indium (In). Indium has 49 electrons, so the element has 49 + 1 = 50 electrons/protons, which is Tin (Sn).
• "This element is directly below the element that has 34 protons in its nucleus. The element with 34 protons is Selenium (Se), and the element directly below it is Tellurium (Te).
• "This newly - synthesized element has 118 protons." - The element with 118 protons is Oganesson (Og).
• "This element has 51 electrons surrounding its nucleus." - The element with 51 electrons/protons is Antimony (Sb).
• "This element has 6 electrons surrounding its nucleus." - The element with 6 electrons/protons is Carbon (not in the given options, but if we consider the general principle).
• "This element directly below the element whose atomic number is 81. The element with atomic number 81 is Thallium (Tl), and the element directly below it is Lead (Pb).
• "This element has 81 electrons surrounding its nucleus." - The element with 81 electrons/protons is Thallium (Tl).
• "The atomic number of this element is 15." - The element with atomic number 15 is Phosphorus (P).
• "This element has 4 more protons than Thallium (Tl) in its nucleus. Thallium has 81 protons, so the element has 81+4 = 85 protons, which is Astatine (At).
• "This element has 1 less proton than Polonium (Po) in its nucleus. Polonium has 84 protons, so the element has 83 protons, which is Bismuth (Bi).
• "The atomic number of this element is 114." - The element with atomic number 114 is Flerovium (Fl).
• "This element directly below the element that has an atomic number of 52. The element with atomic number 52 is Tellurium (Te), and the element directly below it is Polonium (Po).

Answer:

1. In
2. As
3. Sn
4. Te
5. Og
6. Sb
7. (No match in options for C)
8. Pb
9. Tl
10. P
11. At
12. Bi
13. Fl
14. Po