the overall atomic mass is 204.37, but for thallium 203 it is 203, and for thallium 205, it is 205.
Thallium has 81 protons.
Thallium has 81 protons. Look on the periodic table. Thallium is number 81. That means it has 81 protons.
Thallium 203 in my reference is stable. Thallium has many isotopes from Tl184 (11 sec half life) to Tl210 (1.30 min).
DNA or genes I think
The shake's main ingredient is milk.
The main ingredient in yoghurt is milk.
Flour ( pasta ) is the main ingredient
Sausage is the main ingredient.
Beijing food does not have a main ingredient. Anything could be the main ingredient. It depend on the food.
Sugar is the main ingredient of candy
Cabbage is the main ingredient in sauerkraut.
Thallium is an element (Atomic Number 81), so thallium is made out of thallium.
Main ingredient is starch
The main ingredient in ham salad is ham.
The main ingredient for biryani is the rice/chavel. OR if the biryani is vegetarian then the main ingredient is the vegetables OR if the biryani is chicken then the main ingredient is the chicken.
The main ingredient in chocolate is the Caco bean that grows on a tree.