For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?
A.13
B. 14
C. 26
D. 27
E.40

Connect the whole numbers on the periodic table to indicate what they represent?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point