bteamtmeTrica bteamtmeTrica

12-10-2016
Chemistry

contestada

How many neutrons does an atom of al-27 have? (hint: look at the periodic table for the atomic number aluminum (al) 13 14 27 40 aluminum has the atomic number of 13?

Respuesta :

12-10-2016

Yeah!! Atomic number of Aluminum is 13

No. of neutrons = Mass number - atomic number

27 - 13 =14

So, the number of neutrons in Al-17 is 14

Answer Link

Otras preguntas

What is the mass of snow (in tons) on a 150.0ft by 45.0 ft flat roof after a 6.0 inch snowfall? Assume that 11 inches of snow is equivalent to 1.0 inches of wat

the side of an equilateral triangle has a length of 5.4m. the height of the triangle is approximately 4.7m. what is the area of this triangle?

The sequencing of content in a broadcast is called a file. True or false?

What country in west africa is actually made up of small islands

If you were most interested in knowing the genotype of your unborn baby, perhaps to find out if there were specific genetic or chromosomal problems, which prena

Complete the sentence. A _____ is a message about life that can be understood in most cultures. main idea universal theme personal symbol context

why did Boston and New York became industrial centers

China's population is about 1.29 billion people or ______of the world's population.

You are the Branch manager of a global software development firm – ITplus, which is based in Houston, Texas. Your team of software developers consists of people

In her speech introduction, suya said, "though we are all very different, we are all students here at this university and are all working toward the completion