feleketadesse446 feleketadesse446

22-01-2022
Chemistry

contestada

platinum has a mass number of 195 and contain 74 electron. how many proton and neutrons does it contain?

Respuesta :

babcon1986 babcon1986

22-01-2022

Answer:

...

Explanation:

p is equal to atomic number so p=74

electron also equal to atomic number if it doesn't have charge so electron =74

neuralon=atomic mass -atomic number so 195-74=121is neutron

Answer Link

Otras preguntas

what did Ibn Battuta hope to accomplish? did he accomplish it?

Are caucuses less common than primaries

Cesar is 35 years old. He has $370 in a checking account$2900 in a savings account$13,000 in a retirement account, and owns a car worth $5900. What is the total

When Gabriella goes bowling, her scores are normally distributed with a mean of 170 and a standard deviation of 13. Using the empirical rule, determine the inte

What is the connotation of the word brutal in this context? “Rising sea levels, melting sea ice, and warmer air that holds more moisture are a recipe for brutal

What is the surface area of the solid that this net can form?106 square centimeters150 square centimeters210 square centimeters270 square centimeters((PLEASE HE

Why was the last boson named after Peter Higgs? He discovered it. He was among the first to propose its existence. He said it would never be found.

DNA and Genes GMO and our Food Exercise Problem

Fats, oils, and waxes are all ________. A) lipids B) carbohydrates

help with this Spanish homeworkits ser y estar