Questenaتمرینی که نشان می‌دهد بعد چه چیزی را مرور کنید
سؤال 10

Which symbol should a parts list use for tungsten wire?

  1. Wپاسخ درست
  2. T
  3. Tu
  4. Tg

توضیح

W is the chemical symbol for tungsten, reflecting its alternative historical name wolfram. T, Tu, and Tg are spelling-based inventions rather than accepted identifiers for the element.

ادامهٔ این آزمون

شروع تمرین
سؤال 10: Which symbol should a parts list use for tungsten wire? · The Periodic Table and Elements · Questena