Chlorine has a stable isotope with 35 nucleons. It's not precisely 35 amu, but it's close.
bromine
No element in period 3 has an atomic mass of 12.
Sulfur atomic mass: 32 a.m.e.Chlorine atomic mass: 35.5 a.m.e.Iron atomic mass: 56 a.m.e.
Fluorine, at 19 atomic mass units, is the only halogen gas that fits that requirement.
The chemical element halogen bromine (Br) has an atomic weight (not mass) of 79,904 and 35 protons.
You could look it up by just typing it into google (Just in case you ever need to know..) Carbon: C Atomic number: 6 (number of protons in nucleus) Atomic mass: 12.011 a.m.e. Mass number: 12 (=number of protons + neutrons in nucleus) Nonmetal
Bromine is the element with atomic number 35.
No halogen gas has a mass of under 15 atomic mass units. The closest is fluorine, at 19.0 atomic mass units.
No element in period 3 has an atomic mass of 12.
Sulfur atomic mass: 32 a.m.e.Chlorine atomic mass: 35.5 a.m.e.Iron atomic mass: 56 a.m.e.
Fluorine, at 19 atomic mass units, is the only halogen gas that fits that requirement.
No, it's an alkaline earth metal.
The chemical element halogen bromine (Br) has an atomic weight (not mass) of 79,904 and 35 protons.
Fluorine is a non metal element. Atomic mass of it is 19.
Br Bromine is the 35th element in the periodic table and is a member an atomic mass of 79.9. It is a member of the halogen group.
Looking at the atomic size,fluorine is the smallest of the halogen family.fluorine has an atomic number of 9 while iodine has its atomic mass to be 54.
They are..... gallium: atomic #- 31 atomic mass- 69.723 element symbol- Ga indium: atomic #- 49 atomic mass- 114.818 element symbol- In and 6 moe....
You could look it up by just typing it into google (Just in case you ever need to know..) Carbon: C Atomic number: 6 (number of protons in nucleus) Atomic mass: 12.011 a.m.e. Mass number: 12 (=number of protons + neutrons in nucleus) Nonmetal