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

Find the upper quartile of the data shown on the box-and-whisker plot below. Question 3 options: 42 73 56 31

13 divided by 25 -0.52 times -107 =-62.48 12 divided by 25-0.48 times -109-52.32 114amu 5. Uranium has three common isotopes. If the abundance of 2U which has a

ATP is an important molecule in living cells. sample with a mass of 0.8138 g was analyzed and found to contain 0.1927 g C, 0.02590 g H, 0.1124 g N, and 0.1491 g

A sample of neon initially has a volume of 2.80 L at 23 degrees Celsius. What is final temperature, in degrees Celsius, is needed to change the volume of the ga

Help guys pleaseeeeeeeeeeee

Dialogue:You are that your classmates bunk classes especially the last lessons every Friday One of them is your close friend who is struggling in class.Yiu want

name two challenges that the organization nalson Mandela bay tourismhas experienced

identify the specific features or landmarks natural and human made features in rural settlement

How do you find number 42? Please answer ASAP!!!

Write an equation for line L in point-slope form and slope-intercept form. L is perpendicular to y=4x.