How many atoms are in 5.42 moles of titanium

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

1. list three scientific reasons cockroaches may fly.

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.