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Ivan
3 years ago
12

Define symbol and valency?​

Biology
2 answers:
Papessa [141]3 years ago
5 0
  • Symbol means to indicate a element with 2letters or 1 letter.
  • Valency means How much electrons can a element give or take determined by octet rule.
<h3>Ex:-</h3>
  • Calcium is indicated by Ca .
  • It has valency of 2.
Kryger [21]3 years ago
4 0

they are blur

but hope you will under stand and pls pls markas brainliest ans

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