If nucleon (mass) and proton (atomic) number is 40 and 20 respectively, element is Options: A . &nbspchlorine B . &nbspphosphorus C . &nbsppotassium D . &nbspcalcium

If nucleon (mass) and proton (atomic) number is 40 and 20 respectively, element

Question

If nucleon (mass) and proton (atomic) number is 40 and 20 respectively, element is

Options:

A . chlorine

B . phosphorus

C . potassium

D . calcium

Answer: Option D
Answer: (d).calcium

Was this answer helpful ?

Next Question

Question 1. Elements in same period may have....

Question 2. Valence electrons refer to the....

Question 3. Chemical properties of an element are largely derived through....

Question 4. Elements and their isotopes have....

Question 5. First element in periodic table to have 8 valence electrons in third shell is....

Question 6. Isotopes have similar....

Question 7. Extra stability is gained in third shell if number of electrons are....

Question 8. Isotopes of same element have....

Question 9. An electron has a....

Question 10. Valence electrons are used to get a clue of....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0