The metals in groups 1a, 2a, and 3a select one: a. gain electrons when they form ions b. all form ions with a negative charge c. all have ions with a 1mc040-1.jpg charge d. lose electrons when they form ions

What’s a special glass that most beakers are made of

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

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