olboyz24 olboyz24

02-11-2019
Chemistry

contestada

Use the element above to answer the following question.

How many NEUTRONS does lead have in one atom? (round your answer)

(HINT: Atomic mass - Atomic number = # of neutrons)
Question 8 options:

41

125

82

Use the element above to answer the following question How many NEUTRONS does lead have in one atom round your answer HINT Atomic mass Atomic number of neutrons class=

Respuesta :

Favouredlyf Favouredlyf

03-11-2019

Answer:125

Explanation:

Protons + neutrons = mass number

Protons = 82

Mass number = 207

Number of neutrons = 207-82=125

Answer Link

Otras preguntas

simplify the expression 7x-1+2x

In the Venn diagram, consider U = {students in 10th grade at Lee High School}. The diagram shows the electives chosen by the students in the 10th grade. 3 circl

The component form of a vector indicates the changes in x and y from the starting point to the endpoint. What is the component form of this vector? YA 5 (-3,-4)

How should the estimator handle any errors or omissions that may be found in the contract documents?

Which part of the story is most clearly the rising action? (1) Sam is ready to retire after 50 years of being a private investigator. (2) But when he finds that

A person shops differently when the line at the checkout is long. this is due to ________.

Prompt: For Maduro, thinking and learning practices are tools to help us get to "the party." What is your idea of “the party” (ie. What is your definition of

Is the skin on the back of your hand firmly attached to the underlying tissues, or can it be lifted away?

What is an effective strategy for giving a persuasive speech if you want to your audience to stop acting in a certain way?

When teaching a client with tuberculosis about self-care at home, the nurse should assign which directive the highest priority?