6.Metallic character increases partly because of which of the following factors? A. the positive charge of the nucleus is stronger B. the positive charge of the nucleus is weaker C. the positive charge of the nucleus is shielded D. the positive charge of the nucleus is cancelled out

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

If steel is more dense that lake water, why can a boat float