What is thr valency of scadium

Which of the following statements best describes the relationship between elements and compound

An atom of selenium (Se) forms a monatomic ion. Which ion does it most likely form? A. Se 2+ B. Se 2 - <- - I believe this is correct. C. Se 6+ D. Se 6-

Why is saturated sodium chloride solution (also known as brine) used? a. to remove undissolved impurities b. to remove water from the organic layer c. to turn compounds into their salt form d. to separate acids and bases?

What is inert pair effect?

Why do we call Ba (NO3) 2 barium nitrate, but we call Fe (NO3) 2 iron (II) nitrate?

What are some solid mixtures in a classroom

What is the electron configuration of aluminum?

What is the volume of an object with a height of 2.3cm, a width of 2.4cm, a mass of 17.5g, and a length of 20cm?

Is layers of sediment forming at the bottom of the ocean erosion?

How to find the better buy of two of the same item, but they have different units of measurements and different costs.?