kwanelenzuza39 kwanelenzuza39
  • 18-05-2022
  • Chemistry
contestada

1. What is the nuclide symbol for an atom which has 43 protons, 55 neutrons and 39 electrons? (1) A. 98Tc++ B. 93Cs+ C. ABY D. 43Tct- ​

Respuesta :

indrawboy
indrawboy indrawboy
  • 18-05-2022

mass number = proton+neutron

mass number = 43+55 = 98

atomic number = proton = 43

charge = proton - electron = 43 - 39 = +4

symbol : ⁹⁸Tc⁺⁴

Answer Link

Otras preguntas

Name the body system depicted (shown). B) What organs are related to that system? C) Function (job) of that system. D) Possible disruption (problem) to homeosta
Use synthetic division (x3-2x2-8) / (x+2)
8.3 Code Practice Write a function named "print_sum" that accepts three numbers as parameters and prints the sum. in python
PLZ HELP URGENT GEOMETRY QUESTION
Solving each system by Eliminating x-y-2z=4 -x+2y+z=1 -x+y-3z=11
Maintaining a competitive business environment is an important role of ________ in the economy.А. corporationsB. governmentC. the banking systemD. colleges and
i n e e d h e l p p l e a s e e e e What kind of listening would be most suited to this situation? A presidential candidate giving a campaign speech. passive pu
Gladwell believes that: A. only the government can create change, B. social media are only for children, C. we can change the world with social media, D. blo
The figure shows two regular pentagons. What is the perimeter of the larger pentagon? A. 5n B. 10n C. 15n D. 60n
Salt water is an abundant resource but unusable for irrigation and drinking. As demands on freshwater sources increase, the use of desalination processes to rem