lilprincessttow6r6r lilprincessttow6r6r
  • 25-01-2018
  • Chemistry
contestada

How many neutrons does element X have if its atomic number is 29 and its mass number is 99?

Respuesta :

Аноним Аноним
  • 25-01-2018
number of neutrons = mass number - atomic number

= 99-29 = 70 
Answer Link

Otras preguntas

If an exchange rate is £1= 2.03 American dollars £1= 2.15 Canadian dollars How many more canadian dollars than American dollars do you get for £250
Imagine that an exchange student from China visits your class. While your teacher discusses how the United States has a limited government, the Chinese student
how many times greater is the 8 in 583,534 than the 8 in 417,018
can u help me on the first one: a ship going out of sea goes out of sight
which atoms attains a stable valence electron configuration by bonding with another atom 1) neon 2) radon 3) helium 4) hyrdogen
the table shows the cost of a large cheese pizza with toppings at a local pizzeria. Graph the data, and find the slope and y-intercept from the graph. The write
Given the formula E = IR what is the formula for R
Transform the equation to isolate x: ax = bx 1. How is the value of x related to the difference of a and b?
The Federalists and Anti-Federalists argued primarily over which issue? a. the political representation of southern slaves b. fair state representation in the n
what is the name of the tallest man alive