gunner06 gunner06

01-11-2018
Chemistry

contestada

A calcium ion has a +2 oxidation number it has 20 protons and _____ electrons.

Respuesta :

autumnhuntmarch1 autumnhuntmarch1

02-11-2018

a calcium ion has 20 protons and 18 electrons.

Answer Link

Otras preguntas

A body of mass 36 g moves with SHM of amplitude A = 13 cm and period T = 12 s. At time t=0 the displacement, x, is 13 cm. (a) Find the velocity when x = 5 cm. (

How did they run farming in the South after the Civil War?

29. Consider the diagram below. Solve for x

If the same textbook is in a lower shelf that is o.75 m above the floor. What is its potential now?

Identify the prepositional phrase and the object of the preposition for the sentence below: The police caught the criminal as he tried running across the railro

explain in at least 5 steps what is occurring in the diagram

1. Suppose the positive numbers a և b are such that a + b = 7. A. b-1: B. 1: Գ. 0: D. -1: E. a

25 ml of 2.4 M K2(CO3) is mixed with 35 ml of 2.0 M Al(NO3)3. (a) Evaluate the moles for each reactant (b) indicate the limiting reactant (c) how many moles of

So I’m watching a video by Crash course and the video is called “The Spanish Empire, Silver & Runaway Inflation: Crash Course world history #25” and at 4:27

The value V (in dollars) of a milling machine depends on the number of hours x it is operated as given by the formula V = 750,000 - 120x. After one year, the va