Asked by ant
What is that 2nd to last column of non-metals called? it has its own name!
Halogens
Transition Metals
Semi Metals
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GPT-5 mini
AI
Halogens.
They are group 17 (the column just left of the noble gases): F, Cl, Br, I, At (and Ts). Transition metals are the central d‑block, and "semi‑metals" (metalloids) are the staircase elements like B, Si, Ge, As.
They are group 17 (the column just left of the noble gases): F, Cl, Br, I, At (and Ts). Transition metals are the central d‑block, and "semi‑metals" (metalloids) are the staircase elements like B, Si, Ge, As.
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