Justlearning45 Justlearning45

23-06-2017
Biology

contestada

how many neutrons does element X have if it's atomic number is 157

Respuesta :

23-06-2017

101 Neutrons

The number of neutrons in element X may be calculated by subtracting the number of protons ( 56 ) from the mass number ( 157 ).

157 - 56 = 101

Answer Link

Otras preguntas

In a field of sunflower plants, 776 plants are tall and 224 plants are short. Sunflower height follows the normal pattern of inheritance. Dominant traits masks

how do I solve 8 + 5/16

level of body organization occupied by a bone

if they were to add another president on Mount Rushmore whom do you think they should add

Explain the difference between a primary source and a secondary source.

Help please i beg you how did mary mcleod bethune bring about a POSITIVE change in America today

A synonym is a word that's a. defined in a thesaurus. b. similar in meaning. c. pronounced the same. d. opposite in meaning.

What number should be substituted for the question mark to balance the equation and why is that the correct number? 2C2H6 +?O2 → 4CO2 + 6H2O + heat

In act III, scene I, of Shakespeare's Hamlet, why does Hamlet speak rudely to Ophelia, telling her "Get thee to a nunnery"? PLEASE HELP!! A) Hamlet is angry wit

Who benefited more from the ideas of social Darwinism, business leaders or workers?