Which electron transition represents a gain of energy?

A. from 2nd to 3rd shell

B. from 2nd to 1st shell

C. from 3rd to 2nd shell

D. from 3rd to 1st shell

Aqueous hydrochloric acid reacts with solid manganese (iv) oxide to form aqueous manganese (ii) chloride, liquid water and chlorine gas.

What is a sentence for weathering

What is the property of burning candle wax

How do you know the difference between a compound and mixture?

Blood travels through from your legs to your heart through

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide

Which stament best describes a solution

Which answer accurately describes the difference between speed and velocity? Read each answer choice carefully. Question 4 options: A. If speed is constant, then velocity is also constant. B. Speed requires direction.

Least reactive element of period 3