abdurazakleyla abdurazakleyla

13-05-2018
Chemistry

contestada

What is the oxidation number for Al in Al₂O₃?

Respuesta :

mkryukova19 mkryukova19

13-05-2018

Oxygen in oxides has oxidation number -2.

Al⁺³₂O⁻²₃

+3*2 -2*3=0

Answer Link

Otras preguntas

is the inverse F(x) a function

Which words reveal the pace of the story? Select 3 options. backpack hustled fidgeted familiar numbers science test hasty

Thomas is a marathon runner. He eats a well-balanced diet and drinks plenty of fluids, but he should take supplements to account for all the calories he loses w

What characteristics are easily found when given a quadratic equation in Standard form and/or in vertex form?

Zacharias is using the quadratic formula to solve the equation 0 = –2x2 + 5x – 3. He begins by substituting as shown. Quadratic formula: x = StartFraction negat

A ball having a mass of 500 grams is dropped from a height of 9.00 meters. What is its kinetic energy when it hits the ground?Please explain what the answer is

Using the image, find the midpoint of th eline segment.

2 Points Find the point below that lies on the line y-6=3[X-5).

Solve : Show all world Complementary angles m and n have measures of (3y +21) and (Hy+ 20). What is the measure of the larger angle

This motorcycle depreciates by 16% per annum. After how many whole years will this motorcycle be worth less than £1000? You must show all your working.