Question

electrons and the periodic table
quiz complete
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the noble-gas notation for tin (sn) will contain the symbol
○ ar.
○ kr.
○ xe.
○ rn.

Explanation:

1. that is less than 50. Noble-gas notation uses the preceding noble gas to represent core electrons, so tin's noble-gas notation starts with [Kr].

Answer:

1. that is less than 50. Noble-gas notation uses the preceding noble gas to represent core electrons, so tin's noble-gas notation starts with [Kr].