Chemistry-Structure of Atom (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 34

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1058 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 1

» Chemistry » Structure of Atom

MCQ▾

Question

Which of the following is the correct electronic configuration of Neon?

Choices

Choice (4) Response

a.

2, 8, 2

b.

2, 8

c.

2, 8, 1

d.

Question does not provide sufficient data or is vague

Question number: 2

» Chemistry » Structure of Atom

MCQ▾

Question

What are isotopes?

Choices

Choice (4) Response

a.

Elements having same atomic masses but different atomic numbers

b.

Elements having same atomic numbers but number of protons is different

c.

Elements having different atomic masses but same atomic numbers

d.

Elements having same atomic numbers as well as atomic masses

Question number: 3

» Chemistry » Structure of Atom

MCQ▾

Question

Calculate the mass of 1 mole of NaCl. (Given atomic mass of Na-23, Cl- 35.5)

Choices

Choice (4) Response

a.

11.2 gms

b.

11.8 gms

c.

58.5 gms

d.

56 gms

Question number: 4

» Chemistry » Structure of Atom

MCQ▾

Question

Consider the information given below regarding atomic radius.

I. It is the half of the distance between the centers of two atoms of an element that are just touching each other.

II. It decreases across a period and increases on going down a group.

Which of the above statement (s) is/are correct?

Choices

Choice (4) Response

a.

Only I

b.

I and II

c.

Only II

d.

Question does not provide sufficient data or is vague

Question number: 5

» Chemistry » Structure of Atom

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ List-Ⅱ

(A)

Mild steel

(i)

Non-ferrous

(B)

Mica

(ii)

Ferrous

(C)

Nickel

(iii)

Non-metallic

(D)

Natural gas

(iv)

Energy resource

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iii)
  • (iv)
  • (ii)

b.

  • (iv)
  • (i)
  • (ii)
  • (iii)

c.

  • (ii)
  • (iv)
  • (i)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

f Page
Sign In