punkin1012 punkin1012
  • 24-10-2019
  • Biology
contestada

what is the mass number of an atom that has 4 protons 4 electrons and 5 neutrons

Respuesta :

alex8920
alex8920 alex8920
  • 24-10-2019
The mass number is 9
Answer Link

Otras preguntas

Jake drove 160 kilometres in 2 hours. What was his speed, in kmh-1
What common error(s) did this student make? What is the correct solution for x? Please help
Options for all: North/ South
Dione has 3 rolls of pennies containing 50 coins each, 4 rolls of nickels containing 40 coins each, 5 rolls of dimes containing 50 coins each, and 6 rolls of qu
HELP! What does the following sentence start with? Weather permitting, the picnic will be held at the community park. A. An adjective B. A past participle C. A
"it is our duty to follow social rules for social development." justify the statement ​
Sheffield Company had an investment which cost $250000 and had a salvage value at the end of its useful life of zero. If Mussina's expected annual net income is
Price elasticity of demand of a commodity is – 0.5. Its quantity demanded falls by 5 units when its price rises by Rs1/unit. Calculate the quantity demanded if
whats 46.288 rounded to the nearest tenth
Who fought each other in the Persian Wars