What would be the IUPAC name for an element with atomic number 222?

(a)

bibibiium

(b)

bididium

(c)

didibium

(d)

bibibium

The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ___________

(a)

p-block elements

(b)

d-block elements

(c)

s-block elements

(d)

f-block elements

Period of an element is represented by _____ quantum number

(a)

Principal

(b)

Azimuthal

(c)

Magnetic

(d)

Spin

The first list of 23 chemical elements was published by _____ in the year 1789.

(a)

Berzelius

(b)

Dobereiner

(c)

Lavoisier

(d)

John Dalton

Law of triad was unable to explain for the element

(a)

Ca, Sr and Ba

(b)

Fe, Co, Ni

(c)

Li, Na, K

(d)

CI, Br, I

Law of octaves was proposed by _____

(a)

Lothar Meyer

(b)

Johann Dobereiner

(c)

Newland

(d)

Mendeleev

______ proposed modern periodic law.

(a)

Henry Moseley

(b)

Mendeleev

(c)

Newland

(d)

Dobrainer

The atomic weight of Au is ______

(a)

195

(b)

197

(c)

198

(d)

196

The number of groups in the periodic table ___________

(a)

7

(b)

18

(c)

5

(d)

6

The element with atomic number 57 belongs to _____

(a)

s-block

(b)

p-block

(c)

d-block

(d)

f-block

Lithium shows diagonal relationship with _____

(a)

Mg

(b)

Al

(c)

Na

(d)

Si

The electronic configuration of nitrogen is _____

(a)

Is²2s²2p³

(b)

Is²2s² 2P_x¹2p_y¹2P₂¹

(c)

Is²2s¹2p⁴

(d)

both (a) and (b)

In the third period the first ionization potential is of the order.

(a)

Na > Al > Mg > Si > P

(b)

Na < Al < Mg < Si < P

(c)

Mg > Na > Si > P > Al

(d)

Na< Al < Mg < Si < P

The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively __________

(a)

Y > Z > X > A

(b)

Z > A > Y > X

(c)

X > Y > Z > A

(d)

X > Y > A > Z

Which of the following orders of ionic radii is correct?

(a)

H^- > H⁺ > H

(b)

Na⁺ > F^- > O^2-

(c)

F > O^2- > Na⁺

(d)

None of these