What is the definition of an element (periodic table elements)?

An element is composed of atoms that have the same atomic number. These atoms includes the same proton and nucleus numbers.

hi,

the capital city of australia is canberra.

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".