Chemistry-Structure of Atom (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 7 - 11 of 34

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Question number: 7

» 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: 8

» 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)
  • (iii)
  • (i)
  • (iv)

d.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 9

» Chemistry » Structure of Atom

MCQ▾

Question

The chemical name of Cd (MnO 4) 2 and Fe 3 (PO 4) 2 are

Choices

Choice (4) Response

a.

cadmium manganite: Iron (II) phosphite

b.

cadmium permanganate: Iron (III) phosphide

c.

cadmium permanganate: Iron (II) phosphate

d.

cadmium manganate: Iron (III) phosphate

Question number: 10

» Chemistry » Structure of Atom

MCQ▾

Question

The most common oxidation number for silicon in a compound would be

Choices

Choice (4) Response

a.

+ 1

b.

+3

c.

+2

d.

+4

Question number: 11

» Chemistry » Structure of Atom

MCQ▾

Question

The element with atomic number 9, 17, 35, 53 and 85 are all

Choices

Choice (4) Response

a.

light metals

b.

noble gases

c.

halogens

d.

heavy metals

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