NatalyaDonelson
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

-4 1/2 x (-1 3/8) please help
primary purpose of Japanese political economy of a nation​
Which formula can be used to describe the sequence? f(x) = 1.2(2.5)x – 1 f(x) = 2.5(1.2)x – 1 f(x) = 1.2(2.5)x f(x) = 2.5(1.2)x
The average production cost for major movies is 57 million dollars and the standard deviation is 22 million dollars. Assume the production cost distribution is
The __________ is the process of posing and answering research questions using controlled techniques that include systematic, orderly observation and the collec
1. Under which type of law would a dispute concerning copyrights be addressed? common law contract law civil law statutory law 2. A neighbor hires his son’s fri
cann someone plsss help me​
Some children research their classmates' favourite colour. They show the results in a pie chart. 40 children were asked about their favourite colour. How many c
8. Scott drank 3.5 bottles of water yesterday. Each bottle contained 1.2 pints of water. What was the number of pints of water Scott drank yesterday? Ascend Lea
Find the x-intercept of the rational function. A (-5,0) B (0,-5) C (0, -1) D (-1, 0)