What is the force of attraction between a body that is 5.4 x 10^6 kg and another body that is 6.3 x 10^8 kg whose centers are 100,000 meters apart?

Nonmetal halogen family atmoic mass 35

What is a metal replacement reaction

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.