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

describe one way in which status of women in south asia was similar to the status of women in another region in eurasia in the 13th century

A new company wants to manufacture solar panels, but they do not want to follow OSHA's guidelines in their manufacturing plant. Which of the following might hap

What are the next three terms in the sequence, 500, 100, 20? Explain how you know

Which of the following is equal to 7^1/4? A. 4√7 B.√7.4 C. 7^4 D. √7

Which part of the mixture should you separate out first? iron salt (hint: we already told you this is the WRONG answer) sand

(22 POINTS) WILL GIVE BRAINLEST, HELPPP!!! write 2 pargarphs about matter

Suppose that f(5) = 2, f '(5) = 3, g(5) = −8, and g'(5) = 4. Find the following values.

Which feature below accurately describes the 2023 Mutual of Omaha Rx Essential (PDP) Plan?

URGENT DUE TODAY In this rug design, the horizontal lines are parallel and the slanted segments are as well. For each angle pair, determine if there is a relati

All blueprints based on the actor class have the input enabled by default. Choose one • 1 point true false