The colour of light depends on it's wave length. Red light have a wave length in the order of 7.8*10 raise to power of - 7metre, express this length in micrometres, nanometres and Angstrome

Identify an ionic bond. identify an ionic bond. neutrons are lost. protons are pooled. electrons are transferred. protons are shared. electrons are gained.

What it the main difference between an ionic and a covalent bond?

How does the health of polar bears indicate the health of the environment

Why people use online travel agencies

3. A compound was analyzed and found to contain 9.8 g of nitrogen, 0.70 g of hydrogen, and 33.6 g of oxygen. What is the empirical formula of the compound?

The ksp of lead (ii) hydroxide, pb (oh) 2, is 1.43 * 10-20. calculate the solubility of this compound in g/l.

On earth, the weight of an object changes. TrueFalse

When 5 grams of KCl are dissolved in 50. grams of water at 25°C, the resulting mixture can be described as (1) heterogeneous and unsaturated (2) heterogeneous and supersaturated (3) homogeneous and unsaturated (4) homogeneous and supersaturated

How have water & wind shaped Earth's Surface?

Convert 14 kilograms to pounds