Use a proportion or dimensional analysis to determine the amount of energy (in kJ) needed to ionize 7.5 mol of sodium (Na(g)+496 kJ→Na+(g)+e-).

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m