Which element has an ion that is smaller than an ion of calcium?

Which is a characteristic of a decomposition reaction? 1. Substance P replaces X in the compound XY. 2. Substance XYZ breaks down into X, Y, and Z. 3. Substance Z burns in the presence of oxygen to form ZO. 4.

A child running 1.5m/s slides for. 3s and slows down to 1.1m/s what is the acceleration during the slide?

If 1.85*10^23 carbon 13 how many electrons are in carbon 13

What is the electronegativity difference that usually is the dividing line between covalent and ionic bonds?

What is the quantum theory?

Which atom has a change in oxidation number of - 3 in the following redox reaction K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2

Why does fluorine have a higher electronegativity than lithium?

What mineral is this? Irregularly shaped, white with nonmetallic luster, the hardness of 2.5, shows cubic cleavage and dissolves easily in water.

The passage of the USA Patriot Act of 2001 and the creation of the Department of Homeland Security reflect the determination of the United States government to (1) search for weapons of mass destruction in South Asia (2) increase the globalization

Is it possible for 2 different elements to have the same atomic number