Answer:
When observing how thallium reacts with the air of the earth's atmosphere, its hardness or resistance resembled sodium, it was not investigated further to classify it correctly
Explanation:
Now it is known that they contain different numbers of valence electrons and that thallium is a heavy metal like lead and that they have similar characteristics except for their melting point where thallium is higher.
1.123 nano-grams is your answer, do you understand now gimme dat 5 star and brainiest
If Im not wrong i think its rain,snow,hail,and sleet...hope this helps you
Answer:
fluorine plus chlorides think
