How are rubies, emeralds, and sapphires formed?

What is the position of an element in the periodic table if its electron configuration is 1s2 2s2 2p6 3s2 3p5

What is the mass number of a carbon atom that contains six protons, eight neutrons, and six electrons?

For the reaction 6 Li + N2 → 2 Li3N, what is the maximum amount of Li3N (34.8297 g/mol) which could be formed from 14.18 mol (6.941 g/mol) of Li and 16.37 mol of N2 (28.0134 g/mol) ? Answer in units of mol.

Which compound is least soluble in water at 60.°C? (1) KClO3 (3) NaCl (2) KNO3 (4) NH4Cl

What is a inorganic compound

Becky leaves home and write a distance of 30 KM it took her 2.5 hours what is her speed

Describe the weather associated with a high presurre system

Which of the following is equal to distance/time?

Which of the following should you always wear to avoid being thrown from a vehicle and then crushed if it tips over?

If the titrant has a molarity of 0.1000 m and there are 45.00 ml of analyte present, what is the molarity of the analyte?