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

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

Corona Virus is the latest international health concern that many countries are experiencing. Think of ways on how our government addresses that health concern.

The stupa temples has what type of roofs? * Flat Domed Pointed

Has anyone got some beginner tips on starting a business??

Pleas I need help ASAP

If a caudillo came to your town in Latin America, what would he do? Select all that apply. set himself up as a great freedom fighter sweet-talk the local govern

A compound is made up of 168.2 g Cd, 35.96 g C, 4.53 g H, and 47.91 g O. What is the empirical formula of this compound

How many Cherokee Nation people died on the trail of tears? None, they just got sick but everyone got better. Only a few died, around 1% of the population. Many

How can you improve your note-taking skills? What are three helpful study tips that you'd recommend to others?

THIS IS A PSYCHOLOGY QUESTION, THERE'S JUST NO OPTION FOR PSYCH Without __________ learning, we would have to learn not to touch a hot stove by touching a hot s

HITLOW SS 1/6 A5 kg body is having a Kinetic energy of 250 J. What is the velocity of the body? 15 m/s 20 m/s 40 m/s 10 m/s ME