riverasierra703
riverasierra703 riverasierra703
  • 23-10-2017
  • Physics
contestada

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu. (Enter a whole number.)

Respuesta :

ejelonubenedict
ejelonubenedict ejelonubenedict
  • 23-10-2017
atomic mass = number of protons + number of neutrons = 4+5 = 9 amu
Answer Link

Otras preguntas

Pedro compró un tinaco con una capacidad de 2.5 m3, ¿con cuántos litros de agua se llena?​
what is the importance of scientists using a common SI system of measurement?
Which of the following is an example of an informal definition? Genetics - that is, the genes you've inherited - may play a role in how your ears react to loud
Blank help the cell membrane to conserve internal fluids
A lawn cutting service offers two monthly plans: Plan A: $15 per lawn cutting, plus a flat rate of $20 per month. Plan B: $25 per lawn cutting. Write an inequa
Question 1 (Matching Worth 15 points) [LC] Match each example with the choice that best fits the description. Match Term Definition A The connotative definition
The modern quantum theory has which of the following as a model? a)plum pudding b)electron cloud model c)planetary d) nuclear
Which of the following powers is NOT included in the Constitution? a the powers of the Supreme Court b the term limitations of Congress members c the power t
Divide. 0.50 ÷ 250 Enter your answer in the box. ______ |______|
what is Newton's second law of motion?a. forces are balanced when they are equal and opposite b. an object at rest or in motion will remain at rest or in motion