I THINK A
D. CHLORINE IS A CHEMICAL
with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature
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Answers & Comments
1. WHICH OF THE FOLLOWING COMBINATION IS CORRECTLY MATCH?
A. ALUMINUM-COMPOUND
B. HCI-ELEMENT
C. NACI-ELEMENT
D. CHLORINE-ELEMENT
I THINK A
D. CHLORINE IS A CHEMICAL
with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature