Lyndsey135 Lyndsey135

03-01-2015
Biology

contestada

How many protons, electrons, and neutrons does an atom of iridium (Ir) have

Respuesta :

lrathburn lrathburn

03-01-2015

Iridium has 77 protons, 77 electrons, and 115 neutrons. You can figure out the protons/electrons from it's atomic number, 77. Because it's atomic mass is 192, subtacting the atomic number 77 from this gives you 115 neutrons!

Answer Link

Otras preguntas

Read the excerpt from "Deucalion and Pyrrha” by Carla Nappi. And then he turned to her and she turned to him and they tried to speak. But they had spent so much

PLEASE HELP ME WITH THIS

y = 3x - 5.1, (-1.2, -3.1)

Multiply. 0.311 x 4.2 OA. 0.1866 OB. 1.3062 OC. 13.062 OD. 186.6

Vector g is shown below. Vector h is parallel to g, in the same direction and half as long. Work out h as a column vector. 9

If the inequality contains < symbol, then graph the equation using a _______________ line.

A company had the following purchases and sales during its first year of operations: Purchases Sales January: 10 units at $120 6 units February: 20 units at $1

Help please help! Need help

50 people were asked if they speak French or German or Spanish. Of these people, 31 speak French 2 speak French, German and Spanish 4 speak French and Spanish b

How many kilometers are in 462 meters? How many kilometers are in 462 meters ?