Question

which of the following elements is a noble gas? iron (fe) bromine (br) argon (ar) magnesium (mg) sodium (na) question 10 (3 points) which of the following statements is true for a neutron. it has a positive charge but no mass it has mass but no charge. it has no charge and no mass it has a positive charge and mass it has a negative charge and mass

Explanation:

Noble gases are in Group 18 of the periodic table. Argon is one of them. Neutrons are sub - atomic particles in an atom's nucleus. They have mass (approximately equal to that of a proton) and no electrical charge.

Answer:

Argon (Ar)
It has mass but no charge.