Seudónimo Seudónimo

26-03-2022
Chemistry

contestada

hello people ~
The chemical formula of magnesium oxide is?

(a) MgO2

(b) Mg2O

(c) MgO

(d) Mg(OH)2

Respuesta :

Аноним Аноним

28-03-2022

Answer:

MgO

Magnesium has valency 2
Oxygen also has valency 2
So 2-2 gets cancelled out and the formula becomes MgO

Ver imagen Аноним

Answer Link

Otras preguntas

why nostoc is called blue green algae?

Select all the correct answers. Which two themes are found in Susan Glaspell's "A Jury of Her Peers"? broken families prevalence of justice gender roles love an

Which of the following challenges did pioneers typically face on the Santa Fe Trail in the mid-1800s

Paste your 10+ line poem below. Highlight three poetic devices in yellow. Highlight the rhyme scheme in blue and mark the pattern letters. Highlight two instanc

cardiovacular excersize is also known as

Type the correct answer in the box. Jason builds doghouses for a pet store. Each doghouse is a wooden structure with a rectangular base that has an area of 21 s

Which of the following points is not coplanar with points C, D and E?

Mike is a salesperson in a retail carpet store. He is paid $500 base salary per month plus 5% commission on sales over $10,000. His sales this month were $23,75

What is the best approximation for the circumference of a circle with a diameter of 400 inches? Use 3.14 to approximate pi.

Which of these words and/or phrases from Lincoln's Gettysburg address have an emotional appeal to take some sort of action?A."But,in a larger sense"B."and dedic