abbypadgettt8924 abbypadgettt8924

22-02-2018
Chemistry

contestada

Which are isotopes? an atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has?

Respuesta :

hamplus6 hamplus6

04-03-2018

Isotopes have same atomic number or same number of protons, but different number of neutrons and mass number.

If they have same atomic number or same number of protons as the original one they are isotopes.

Answer Link

Otras preguntas

The atomic mass of N is 14.01 g/mol, and the atomic mass of H is 1.008 g/mol. What is the molecular mass of NH3? 17.034 g/mol 15.018 g/mol 14.12 g/mol 45.0

What does deficit spending require a government to do

Determine whether each statement is sometimes, always, or never true. Two solids with equal volumes are congruent. Select one: a. sometimes b. always c. never

Suppose you have a normally distributed set of data pertaining to a standardized test. The mean score is 1000 and the standard deviation is 200. What is the z-s

What prompted the United States to enter into an all-out war in Vietnam? A. South Vietnam's President Diem was assassinated. B. Two U.S. destroyers were attack

In order to keep your adudience interested your speech should have complexity t or f

Joanne’s puppy is very large, but also submissive. when the puppy meets a more dominant dog, she lies on the grass on her back, shows her belly, and wiggles. th

describe the biggest motivation of a media source that is privately owned and how it might affect the source's coverage of political issues.

Lara is trying to remember what she had for dinner last friday when her husband took her out to eat. according to the memory-systems perspective, this informati

The nurse is caring for a client hospitalized after a motor vehicle accident. the client has a comorbidity of parkinson's disease. why should the nurse closely