blatss8jaimeJaccoyc blatss8jaimeJaccoyc

03-03-2017
Chemistry

contestada

How many neutrons does element x have if its atomic number is 42 and its mass number is 160? neutrons?

Respuesta :

armyguy1050 armyguy1050

06-03-2017

118
mass number is the protons plus the neutrons.
And the atomic number is equal to the amount of protons in an element.
Therefore, 160-42=118.

Answer Link

Otras preguntas

Identify the major functions of the endocrine system. metabolism body movements puberty body temperature cognitive functions balance

In Esperanza rising what was Isabel praying so hard for and explain with evidence

Which of the following best shows the difference between Neolithic and Bronze Age Technology

Abigail has $400 in her savings account. She wants to keep at least $160 in the account. She withdraws $40 each week for food. Write and solve an inequality to

Odysseus is overcome by __________ and therefore reveals his __________to the blinded giant? a. pride, identity. b. grief, anger. c. curiosity, plans. d. ho

An explosion can quickly change chemical energy into:]

hi i have a question

Factor the question completely

Why did Buddhism become popular in India? Plz I need it right now the answer plz plz I mean right now plz And it has o be 3 sentences ok

Photography Class help! 1. moderate overcast light is identified by A. White highlights B. Bright highlights C. Dark, well-defined shadows D. Soft, grey shadow