Write a note on particle nature of matter

Which of the following best defines the term oxidation state? a. The oxidation state is the rate of oxygen consumption. b. The oxidation state is the rate of oxygen production. c.

1. There are two days every year when daytime and nighttime are equal. These days happen when the Sun appears in a special position in the sky. The exact moment when the Sun appears in this position is called an equinox (EE-kwuh-noks).

A substance that releases hydrogen ions when dissolved in water

What mass of O2 was used up in the reaction with an excess of SO2 gas if 14.2 g of sulfur trioxide is formed?

Which volume of 2.0M NaOH (aq) is need to completely neutralize 24 milliliters of 1.0M HCl (aq) ? (1) 6.0mL (2) 12mL (3) 24mL (4) 48mL

Thermal decomposition of sodium azide (NaN₃) into nitrogen gas and sodium metal is used to inflate car airbags. The reaction proceeds by the following chemical reaction. 2NaN₃ (s) ⟶3N₂ (g) + 2Na (s) How many grams of NaN₃ are need to inflate a 10.

Is salt water acidic, basic or neutral

The process of gathering knowledge about the natural world

4. Which of the following elements has the greatest electronegativity? a. Krypton b. Bromine c. Phosphorous d. Sulfur

In which orbital does an electron in a nitrogen atom experience the greatest shielding? In which orbital does an electron in a nitrogen atom experience the greatest shielding? 2s 2p 1s 3s 3p