skhan2603
skhan2603 skhan2603
  • 02-05-2019
  • Chemistry
contestada

How many neutrons does element X have if it’s atomic number is 35 and it’s mass number is 77?

Respuesta :

kpoplovestar123
kpoplovestar123 kpoplovestar123
  • 02-05-2019

Answer:

Element X has 42 neutrons

Explanation:

To find the number of neutrons in an element you can simple subtract the atomic number by the mass number. So in this case 77-35=42

Answer Link

Otras preguntas

Please Answer ! ! U R G E N T ! ! ! Fog By Carl Sandburg The fog comes on little cat feet It sits looking over harbor and city on silent haunches and then mo
Which expression is equivalent to 5.4+3.4w-1.8w +5.8 A) 7(1.6+w) B) 1.6(7+w) C) 1.6(7w) D) 1.6(0.25+w)
Please help! 20 points!
Match the leaders with their goals at the Yalta Conference of 1945. Franklin Roosevelt, Winston Churchill ,Joseph Stalin Pairs wanted to prevent future threat
A number is chosen at random from 1 to 10. Find the probability of selecting factors of 4 and factors of 6
write a sentence about school activities that includes one common noun and one compound common noun
What is the kinetic energy of a 1700 kg car traveling at a speed of 30 m/s (â65 mph)? does your answer to part b depend on the car's mass?
Can you help with 5 6 7
Can you tell and show me the answer?
in what year did steady economic growth in South Africa come to an end?why did this occur