Register
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)
200k views
17 votes
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)

User Denislav
by
5.1k points

1 Answer

8 votes
D cause I took the test
User Jason Sherman
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers

Other Questions

A space shuttle is approaching the surface of the moon to land. It approaches the moons surface with an initial velocity of 28m/s and is slowing at a rate of -2m/s^2. Show all work and units for problems.
________ is a measure of the internal energy that has been absorbed or transferred from one body to another, often due to a difference in temperature.
5. What happens to the arrangement of water molecules as ice melts? A Molecules gain enough energy to escape as vapor. B Molecules release enough energy to escape as vapor. C Molecules gain enough energy
A projectline is shot from the edge of a cliff 100 m above the ground with intial speed 10 m/s at an angle 30 with the horizontal. 1) determine the time taken by the projectile motion to hit the ground
A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. Suppose that the block now
Link Copied!