What is matter?

a. anything that has momentum and takes up space.

b. the study of properties of mass and how it changes.

c. anything that has mass and takes up space.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?