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

PLSSSS HELPPPP MEEE I WIIILLL GIVVEEE BRAINLIEST!!!!!!!!!!!!!

All of the following are diseases caused by viruses except: A strep throat B) colds C)chicken pox D) influenza E AIDS

Most heat is actually ____________ light given off by an object.

_ _ _ _ _ _ _ _ _ is a sculpture that uses the land.

Carlos works for a shoe manufacturer and is paid $14.25 an hour. What is Carlos’s gross pay for a week in which he works 38 hours? Be sure to round to the neare

On a television talk show, a guest claims that people who exercise vigorously for 15 minutes or more every day are able to solve math problems more rapidly than

What can you do to improve your note-taking skills?

How many moles of Al are necessary to form 28.6 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) → 2 AlBr₃(s) ?

causes and effect on roads

What's operations with scientific notation. Because I don't understand it.