Question

The atomic number of an element represents

A.

Number of neutrons in the nucleus

B.

Number of protons and neutrons in the nucleus

C.

The valency of the element

D.

Number of protons in the nucleus

Correct option is D


The atomic number is defined as the number of protons in the nucleus of an atom and uniquely identifies a chemical element.

Free Tests

Free
Must Attempt

UPSSSC AGTA PYP Held on July 13, 2025

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon120 Mins
languageIcon English
Free
Must Attempt

IBPS Agriculture Field Officer (Mains) Mock 02

languageIcon English
  • pdpQsnIcon60 Questions
  • pdpsheetsIcon60 Marks
  • timerIcon45 Mins
languageIcon English
Free
Must Attempt

Fundamentals of Food Safety: Definitions, Additives & Contaminants

languageIcon English
  • pdpQsnIcon30 Questions
  • pdpsheetsIcon30 Marks
  • timerIcon27 Mins
languageIcon English
test-prime-package

Access ‘STATE FOOD SAFETY OFFICER FSO’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
383k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow