hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    Which of the following elements is represented by the symbol "Si"?
    Question

    Which of the following elements is represented by the symbol "Si"?

    A.

    Sodium

    B.

    Sulphur

    C.

    Silver

    D.

    Silicon

    Correct option is D


    The correct answer is (d) Silicon.
    · Silicon is represented by the chemical symbol "Si."
    · Silicon is a metalloid, meaning it has properties of both metals and non-metals. It is a crucial element in the field of electronics and is widely used in semiconductors.
    · Silicon is also the second most abundant element in the Earth's crust, making up about 27.7% by weight.
    Information Booster:
    · Sodium (Na):
    · Symbol: Na
    · Description: A soft, silvery-white, highly reactive metal.
    · Uses: Essential for life, used in table salt (sodium chloride), and various industrial applications.
    · Sulphur (S):
    · Symbol: S
    · Description: A yellow, non-metallic element.
    · Uses: Used in the production of sulfuric acid, fertilizers, and as a fungicide and insecticide.
    · Silver (Ag):
    · Symbol: Ag
    · Description: A lustrous white metal with the highest electrical conductivity of any element.
    · Uses: Used in jewelry, silverware, electronics, and as an antibacterial agent.

    Free Tests

    Free
    Must Attempt

    CBT-1 Full Mock Test 1

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    RRB NTPC UG Level PYP (Held on 7 Aug 2025 S1)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    test-prime-package

    Access ‘RRB JE CBT-I’ Mock Tests with

    • 60000+ Mocks and Previous Year Papers
    • Unlimited Re-Attempts
    • Personalised Report Card
    • 500% Refund on Final Selection
    • Largest Community
    students-icon
    368k+ students have already unlocked exclusive benefits with Test Prime!
    Our Plans
    Monthsup-arrow