What is the symbol and ionic charge of a element with 28 proton and 25 electrons?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Which statement best describes what happens when molecular compounds melt

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt