MiheyKuz6052 MiheyKuz6052
  • 01-02-2022
  • Chemistry
contestada

an atom has 70 protons, 70 electrons, and 99 neutrons. what is the mass number? group of answer choices

Respuesta :

emmadaron13 emmadaron13
  • 08-02-2022

Answer:

169

Explanation:

protons+neutrons=atomic mass

70+99=169

Answer Link

Otras preguntas

Kathy Thompson has determined that the value of her assets is $64,000 and the value of her debts is $23,000. The difference between these two is $41,000. The $4
Does this graph represent a function? Why or why not? 10 8 6+ 4- 2+ 6 -10- OA. No, because it fails the vertical line test. OB. Yes, because it has two straight
2.) FIND EF. (Diagram Attached Below.) Tysm to whoever helps! Pts and Brainliest to Best Answer!
Use the associative property to simplify the expression. 43 +30+70 OA. 43+30+70 = 73 +70 = 143 OB. 43+ (30+70) = 43+ 100 = 143 OC. 43+ 10(3 + 7) = 43 + 10(10) =
please help me!! In the first month of the new year, the Midwest region secured sales orders from 362 current stores and 66 new stores. Is this data consistent
What is the height, x, of the 60° X | 60° - 14 in. 60°
Which statements best describe this advertisement? Select three options. The evidence and facts appeal to logic. The image appeals to feelings and emotions. The
What is the surface area of this cylinder?Use ​ ≈ 3.14 and round your answer to the nearest hundredth._____ square meters.Help
true or false? a verb is a word that shows an action or a state of being
Arithmetic sequences: If sum of t (term) 72 and t 112 is equal to 22, what is t 183?