Live Education Quiz

1

Metalloids have properties that are:

A Only metallic B Only non-metallic C Both metallic and non-metallic D Neither metallic nor non-metallic

2

Metals are generally found on which side of the periodic table?

A Right side B Left side C Center only D Bottom only

3

Lanthanides and actinides belong to:

A s-block B p-block C d-block D f-block

4

Which is a characteristic of non-metals?

A Good conductor B Malleable C High melting point D Poor conductor

5

Chemical properties of elements depend mainly on:

A Atomic mass B Number of neutrons C Valence electrons D Atomic size

6

Which subatomic particle has a positive charge?

A Electron B Neutron C Proton D Atom

7

Periods in the periodic table represent:

A Number of valence electrons B Number of electron shells C Atomic mass D Type of elements

8

Ionization energy is defined as:

A Energy released on gaining an electron B Energy required to remove an electron C Energy of nucleus D Energy of bonding

9

The outermost shell of an atom is called:

A K shell B Valence shell C L shell D Nucleus

10

Bohr’s model explains:

A Chemical bonding only B Atomic nucleus C Electron arrangement in shells D Neutron behavior

11

Subshells are denoted by:

A K, L, M B s, p, d, f C A, B, C D X, Y, Z

12

Ionization energy increases across a period because:

A Atomic size increases B Shielding effect increases C Nuclear attraction increases D Electrons increase

13

Shielding effect increases when:

A Moving across a period B Moving down a group C Electrons are removed D Atomic number decreases

14

According to Bohr, electrons move in:

A Random paths B Fixed energy levels C Straight lines D Nucleus

15

Non-metals are mostly found on:

A Left side B Center C Right side D Bottom

16

Which property helps predict bonding behavior?

A Atomic mass B Electronegativity C Density D Color

17

How many groups are present in the modern periodic table?

A 8 B 16 C 18 D 7

18

Isotopes are atoms of the same element having:

A Different atomic numbers B Different mass numbers C Different protons D Different electrons

19

Atomic radius generally increases down a group due to:

A Increase in nuclear charge B Increase in valence electrons C Addition of new shells D Decrease in atomic mass

20

Non-metals usually form:

A Cations B Anions C Metallic bonds D Alloys

21

Which element is a non-metal?

A Iron B Aluminium C Chlorine D Calcium

22

Which shell is closest to the nucleus?

A K B L C M D N

23

Which element is a poor conductor but shiny?

A Iron B Copper C Silicon D Sodium

24

The periodic table is arranged in order of increasing:

A Atomic mass B Atomic number C Density D Valency

25

Noble gases are placed in:

A Group 1 B Group 2 C Group 17 D Group 18

26

Which particle determines the identity of an element?

A Electron B Neutron C Proton D Nucleus

27

Who proposed the modern periodic law?

A Mendeleev B Dobereiner C Henry Moseley D Newlands

28

According to modern atomic theory, electrons behave as:

A Particles only B Waves only C Particles and waves D Rays

29

What is the modern periodic law?

A Properties of elements depend on atomic mass B Properties of elements are periodic functions of atomic number C Elements are arranged by density D Elements are arranged by valency

30

Elements in the same group have the same:

A Atomic mass B Number of shells C Valence electrons D Atomic size

Chem – Chapter 3: Atomic Structure + Ch 4