SecretStupid
SecretStupid SecretStupid
  • 03-06-2020
  • Biology
contestada



What is the mass number of an ion with 106 electrons, 157 neutrons, and a +1 charge?

The answer is NOT 126

Respuesta :

caoch
caoch caoch
  • 03-06-2020
#electrons equal #protons = 106
Plus 1 charge => m protons = 106 + 1 = 107
Mass number: 107 + 157 = 264 g/mol
Answer Link

Otras preguntas

If you remove the last digit (one’s place) from a 4-digit whole number, the resulting number is a factor of the 4-digit number. How many such 4-digit numbers ar
When the pH of the extracellular fluid drops, the kidneys a. secrete more hydrogen ions. b. secrete more bicarbonate ions. c. excrete fewer bicarbonate ions.
In the lease versus buy decision, leasing is often preferable a. because, generally, no down payment is required, and there are no indirect interest costs. b.
Why is feedback inhibition important in metabolic pathways?
3.9) Name four types of tissue in humans and their functions: co o o o
Which expressions are equivalent to 6g-18h6g−18h6, g, minus, 18, h?
What fruit is the commonest in the world but also very fast to eat?​
A football team gains 2 yards on first down, loses 6 on second down and then gains 3 on third down. An appropriate expression would be???
list the freedom fighters of uae
Form complete sentences using the information provided. Use indirect object pronouns and the present tense of the verbs.Javier / prestar / el abrigo / a Maripil