I cant seem to figure out ANY of these... help when you can pls :.)

What happens to the atomic radius when an elctron is lost

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4