Find out no. of moles present is 72 gm of water?

In an electron dot diagram what is the maximum number of dot surrounding a symbol. A. 8 B. 4 C. 2 D. 10

What trend does the atomic radius follow along a period on the periodic table? A. The atomic radius gets smaller the farther right it appears on the periodic table. B. The atomic radius gets larger the farther right it appears on the periodic table.

Why does aluminium react with iron oxide!

A tool that can be measure of force

What is the volume in liters of 321 g of a liquid with a density of 0.84 g/mL? Express your answer in liters to two decimal places.

Which compounds are ionic and which are covalent? • N2 • SiO2 • CaCl2 • CCl4 • AlCl 3 • LiBr

The noble-gas notation for tin (Sn) will contain the symbol

What does the period number on the periodic table correspond to?

Calculate the mass defectin amu for the formation of phosphorus-31. The mass of aphosphorus-31 nucleus is 30.973765 amu. The masses of a proton anda neutron are 1.00728 and 1.00866 amu, respectively.

Phenol red is a ph indicator routinely used to monitor the ph of solutions in laboratories. It is reddish-orange in neutral solutions, yellow in acidic solutions, and magenta in basic solutions.