lilprincessttow6r6r lilprincessttow6r6r

25-01-2018
Chemistry

contestada

How many neutrons does element X have if its atomic number is 29 and its mass number is 99?

Respuesta :

Аноним Аноним

25-01-2018

number of neutrons = mass number - atomic number

= 99-29 = 70

Answer Link

Otras preguntas

Suppose the economy was at full employment gdp and then consumer optimism soars. if automatic stabilizers are in place, the stabilizers will result in:________

The force of attraction that a -40.0 microc point charge exerts on a 108 microc point charge has magnitude 4.00 n. how far apart are these two charges?

B. a bank requires customers to choose a five-digit pin code for their bank atm card. what is the likelihood that a pin code will consist of at least one repeat

At the beginning of paragraph 9, Mrs. Mallard senses "something coming to her." What is it? What physical effect does it have on her? Cite evidence from the tex

please help asap....

Explain how a dvd manufacturer can advertise that a dvd can hold 4.7gb, but explorer reports the capacity as 4,706,074,624 bytes or 4.38gb

A=[ −2 4 −1 2 4 3 1 1 ]B=[ 9 −12 27 15 6 −18 30 −12 ]

To check if an object is created from the specified class, you can use select one: a. the createdfrom keyword b. the instanceof keyword c. the istypeof metho

Which antimicrobial medications are safe alternatives for clients with penicillin allergies? (select all that apply.)

Which of these are types of letters? a. persuasive b. complaint c. application d. all of them