What is the formula for the compound formed by calcium ions and chloride ions? (1) CaCl (2) CaCl2 (3) CaCl3 (4) Ca2Cl

What element is used in a liquid metal used in thermometers

If barium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many barium atoms are needed to form an ionic bond with chlorine?

What became of alchemy after the 1700s

Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10? (A) HC7H5O2, pKa = 4.19 (B) HF, pKa = 3.46 (C) HClO, pKa = 7.54 (D) HCN, pKa = 9.31 (E) HClO2, pKa = 1.96

Two chemicals a and b are combined to form a chemical c. the rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of a and b not converted to chemical c.

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

During its life cycle, an amphibian lives both on land and in water.

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate