At most, how many bright fringes can be formed on one side of the central bright fringe (not counting the central bright fringe) when light of 625 nm falls on a double slit whose spacing is 6.77 x 10-6 m?

The oxidation number of a monatomic ion is equal to a. the charge on the ion. b. zero. c. the sum of all the oxidation numbers. d. the oxidation number of an oxygen atom.

Draw a diagram explaining the relationship between atoms, moles, and molecules

How many bromines atoms are present in 33.3 g of ch2br2?

Escriba las fórmulas de los siguientes compuestos iónicos: A) óxido de sodio B) sulfuro de hierro (que contenga el ion Fe 2+) C) Sulfato de cobalto (que contenga los iones Co 3 + y SO 2 - (arriba) y 4 (abajo) D) Fluoruro de bario Ayúdenme, por favor!

Why does the glass of water weigh less after the pill has dissolved? Why does the glass of water weigh less after the pill has dissolved? Nitrogen dioxide gas will be generated and released as the anti-acid pill dissolves.

What experiments did Lavoisier do?

if an atom has 4 protons, 5 neutrons, and 4 electrons, what is the mass number of this atom? How do you know?

What volume of hydrogen gas can be produced by reacting 4.20 g of sodium in excess water at 50.0 Celsius and 106 kPa? The reaction is 2Na + 2H20 - - > 2NaOH + H2.

Is athletes foot abiotic or biotic?

What are the mole fractions of HNO3 and water in a concentrated solution of nitric acid (68.0% HNO3 by mass) ? (a) Outline the steps necessary to answer the question. (b) Answer the question