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

Do you and your best friend fit the following descriptions? Answer the questions affirmatively or negatively. Pay attention to the verbs in the questions to fig

Why is research considered more complicated than inquiry ?

The measures of two complementary angles are 7x + 10 and 3x - 20. Find the measures of the angles. HELP

Next 1.1 Quiz 9 Select the correct answer. The World Health Organization defines health as a balance of physical , mental, and O A. Social B. Consumer Oc. Finan

I will give Brainliest What are some beliefs that Marguerite learned from Mrs. Flowers? Write three to four sentences about her beliefs, using at least five vo

Q.3. A) Read the given paragraph and answer the questions that follow: (4) People can make the best use of nature to create more resources when they have the kn

I need some help with this.

find hcf and lcm of algebraic terms 3pqr, 24pr², 30pq²r²

Congress makes a new law concerning the use of personal flight vehicles in public airspace. Which of the following would most likely happen

He (not be) here since Christmas