21master 21master
  • 03-02-2021
  • Physics
contestada

Which of the following elements has a mass number of 19 and contains 10 neutrons?
A. potassium (K)
B. neon (Ne)
O c. fluorine (F)
D. copper (Cu)

Respuesta :

messiah13carmelo
messiah13carmelo messiah13carmelo
  • 03-02-2021
D cause I took the test
Answer Link

Otras preguntas

What is the purpose of sensory adaptation
Jonathan has been on a diet since January 2013. So far, he has been losing weight at a steady rate. Bases on monthly weigh-ins, his weight, w, can be modeled by
Tear is to sorrow as smile is to
Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,
What organs work with skin?
7x+3y=22 4y=20 I need to know how to write this equation out with the answer
what is the cell cycle??
what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.
The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d
Is STM semantically or acoustically encoded??