Question 7 1 pts
According to the modern model of an atom,
-the number of protons in the atoms of one type of element will vary.
-moving electrons form an electron cloud in an atom.
-electrons are located in the nucleus of an atom.
-neutrons have a positive charge.

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? )

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

The material that keeps its new shape after it is stretched is called?