NatalyaDonelson NatalyaDonelson

01-06-2015
Chemistry

contestada

7 An atom that has 13 protons and 15 neutrons is an isotope of the element
(1) nickel (3) aluminum
(2) silicon (4) phosphorus

Respuesta :

Claudeth Claudeth

01-06-2015

an atoms identity is always defined by the number of protons and it is seen in the periodic table so if an atom has 13 protons it will be aluminum

Answer Link

Otras preguntas

Nuclear power is an important source of energy in Europe. How do nuclear power plants create energy?

A β− and a β+ particle meet and interact within a tissue. Discuss what would be the likely outcome of this interaction.

Who was the scientist responsible for the discovery of the keystone species

a. Describe the relationship between the cell cycle and mitosis and the overall goals of each process.

Identify the specific purpose the writer shows in this topic sentence. When I was a child, I was always afraid of heights. A. to convince readers of somethin

20. Physical health problems, mental health/emotional problems, or family problems caused by a person's drug use is A. O drug complications. known as B. O abuse

HELP PLEASE BRAINIEST IF CORRECT!!!!!!!

a man with mass 60kg climbs up staircase having 30 step each of 10cm height in 10seconds.Calculate his power.

Alice decides to use all of the balloons to make 3 balloon bunches. How many red balloons and how many blue balloons are in each bunch?

the secretary wrote the notice in passive voice