Which of the following describes the element kr? choose all that apply. (a) belongs to a group consisting entirely of gases forms a basic solution in water. (b) is very reactive as a metal. (c) is one of the group of the least reactive elements. (d) reacts vigorously with alkali metals to form salts. (e) consists of diatomic molecules in elemental form.

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

An experimental procedure requires a 10 ml of acid to be dissolved

Compare and contrast refraction of light and sound will give brainliest