Explain in terms of element classification, why K2O is an ionic compound

Why is it easier to find the mass of a large object then a small object?

The electrons in an atoms outermost orbitals, the electrons, are represented in a (n), which consists of the elements symbol, representing the atomic nucleus and inner-level electrons, and the appropriate number of dots.

How is the electron cloud model different from Bohr's atomic model?

Suppose that a 100 mL sample of ideal gas is held in a piston-cylinder apparatus. Its volume could be increased to 200 mL by: a. increasing the temperature from 25oC to 50oC at constant pressure. b. increasing the pressure from 1.00 atm to 2.

The ph of lemon juice is approximately 2.4. at this ph, the hydronium ion concentration is closest to which value? 1. 250 m 2. 4.00 * 10-3 m 3. 2.50 * 10-12 m 4. 5.62 * 10-4 m

Formule of the acido perbromico

What mass of protons would be required to just neutralize the charge of 2.5 g of electrons?

Whitch rock types tend to the weather in rounded shapes

A population of ground squirrels lives in underground burrows several miles from an ocean shore. If a hurricane strikes the shore, which effect of the hurricane would probably do the most damage to the squirrel population? A. thunder B. lightning C.

Discuss how forests act as carbon sinks.