What type of texture results when the extrusive igneous rock cools so quickly that crystallization does not occur? porphyritic, phaneritic, glassy, aphantic

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?