samuelmonk samuelmonk

23-05-2022
Chemistry

contestada

What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?

Respuesta :

glowinglion glowinglion

23-05-2022

Answer:

mass number=126

Explanation:

57+69=126

Answer Link

Otras preguntas

Mapa mental de la división 10,100,1000

Progress learning green dot challenge work.

Domestic currency appreciation is good for the exporters: as domestic currency appreciates, goods produced domestically become more competitive on the internati

What are the domain and range of f(x) = (one-sixth) Superscript x 2? domain: Left-brace x vertical-line x greater-than negative one-sixth right-brace; range: {y

Quadrilateral ABCD shown at the right is a rhombus. Given that AC=10 and BD=16, find all side lengths and angle measures. Explain your reasoning. A) AD=BC=AB=CD

A hedge fund with a net asset value of $95 per share currently has a high water mark of $101. Suppose it is January 1, the standard deviation of the fund's annu

if PQR is similar to ABC PQ = 6 cm AB = 8 cm and the perimeter of ABC is 36 then the perimeter of PQR is __

How did the social systems they belonged to shape their health outcomes?

A good poll should not include which of the following? a) Clear questions which are not leading b) A large margin of error c) At least 100 people sampled d) Ra

What is the big country in the world?