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

Why were the steel plow in the mechanical Reaper important inventions?

Which of the following changes will decrease the rate of collisions between gaseous molecules oftype A and B in a closed container? A. decrease the volume of t

The last of Wilson's Fourteen Points called for

what types of units are used to describe area?

Well explained answer plz: Can girls with dark black skin bleach there girlstashes? ???

How do you solve x²-10x+9=0 by completing the square?

1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O

what did anna sofia nysten do after the titanic sinking

A circle has an area of 16 pie square meters. What is the circumference of the circle? Please show how to solve. Thank you

Which statement is true of a placenta? a. The placenta passes oxygen, nutrients, and other useful substances from the fetus to the mother. b. The placenta passe