Free Printable formation of light elements

1.

What is the term referred to form of an element that has the same atomic number of the

original element but with different atomic mass or mass number?

a)

Elements

b)

Heavy elements

c)

Isotopes

d)

Light elements

2.

What does an element’s atomic weight determine?

a)

number of protons and electrons

b)

number of protons and neutrons

c)

number of protons only

d)

number of neutrons only

3.

What is the term referred to the process by which light nuclei fuse together to form a

heavier nucleus?

a)

Nuclear fusion

b)

Nuclear reaction

c)

Nuclear synthesis

d)

Nucleosynthesis

4.

Aside from the neutron, the core of an atom is made up of which other subatomic particle?

a)

Electron

b)

Proton

c)

Positron

d)

None of the above

5.

1. It is a theory that explains that the universe started as a very dense and hot “singularity” which eventually cooled and began to form different particles?

a)

Big bang theory

b)

Cosmic inflation theory

c)

Oscillating theory

d)

Steady state theory

6.

Who developed the latest model of the atom which is accepted until today?

a)

Ernest Rutherford

b)

J.J. Thomson

c)

John Dalton

d)

Niels Bohr

7.

What force naturally pulls things together?

a)

Fission

b)

Fusion

c)

Gravity

d)

Pressure

8.

The following light elements were formed in the big bang nucleosynthesis?

a)

H, C, He, Be

b)

He, H, Li, Be

c)

Fe, He, H, Li

d)

Li, H, He, Na

9.

Arrange the stages of the big bang theory:

1-recombination 2- big bang singularity 3-inflation 4-nucleosynthesis

a)

2341

b)

2314

c)

3214

d)

1234

10.

It refers to the first stage of the big bang model wherein it begun as an infinitely hot and dense?

a)

Big bang singularity

b)

Inflation

c)

Nucleosynthesis

d)

Recombination

11.

Densely part of an atom containing proton and neutron

(a)

12.

Symbol of lithium.

(a)

13.

Symbol of hydrogen

(a)

14.

Symbol of beryllium

(a)

15.

Symbol of helium

(a)

16.

subatomic particle with zero charge.

a)

Proton

b)

Electron

c)

Neutron

17.

Subatomic particle with positive charge

a)

Proton

b)

Electron

c)

Neutron

18.

Subatomic particle with negative charge.

a)

Proton

b)

Eletron

c)

Neutron

19.

Ability to do work.

a)

Force

b)

Energy

c)

Kinetic

d)

Potential

20.

Symbol of potassium

(a)

21.

A ____________ results from sharing electron between two nonmetals.

a)

Covalent Bond

b)

Metallic Bond

c)

Ionic Bond

22.

______________________ is found in metals, such as copper, iron and aluminum.

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

23.

__________________ is an electrostatic force that exist between ions of opposite charge.

a)

Covalent bond

b)

Metallic bond

c)

Ionic bond

24.

The ___________ states that atoms tend to gain, lose or share electrons until they are surrounded by eight valence electrons.

a)

Octet rule

b)

Hund's rule

c)

Lewis structure

25.

____________ states that electrons in the orbitals do not pair-up until each orbital is occupied.

a)

Octet rule

b)

Hund's rule

c)

Lewis structure

26.

These elements have 7 valence electrons.

a)

Noble gas

b)

Halogen

c)

Alkali metals

d)

Boron group

27.

6 electrons in the valence shell.

a)

Oxygen Family

b)

Boron Family

c)

Carbon Family

d)

Halogen

28.

What is the electron configuration of hydrogen?

a)

$1s^1$

b)

$1s^2$

29.

5 electrons in the valence shell.

a)

Carbon Family

b)

Nitrogen Family

c)

Alkaline Earth Metal

d)

Alkali

30.

What is the electron configuration of Calcium?

a)

$1s^22s^22p^63s^23p^63d^2$

b)

$1s^22s^22p^63s^23p^33d^5$

31.

What is the electron configuration of Krypton?

a)

$1s^22s^22p^63s^23p^63d^{10}4s^24p^6$

b)

$1s^22s^22p^23s^23p^63d^{10}4s^24p^4$

32.

The following elements belong to the Nitrogen Family, EXCEPT;

a)

Phosphorus

b)

Bismuth

c)

Bromine

d)

Antimony

33.

The following elements belong to the Carbon Family, EXCEPT:

a)

Silicon

b)

Lead

c)

Neon

d)

Tin

34.

What is the electron configuration of carbon ?

a)

$1s^22s^22p^2$

b)

$1s^22s^22p^63s^2$

35.

The following elements belong to the Noble Group, EXCEPT;

a)

Helium

b)

Chlorine

c)

Neon

d)

Argon

36.

They are called ______________ because they are insoluble in water and give decidedly alkaline reactions.

a)

Halogen

b)

Alkali Metal

c)

Alkaline Earth Metal

d)

Noble gas

37.

What does an element’s atomic weight determine?

a)

number of protons and electrons

b)

number of protons and neutrons

c)

number of protons only

d)

number of neutrons only

38.

These elements are generally considered unreactive, because they have complete outer orbit.

a)

Halogen

b)

Noble gas

c)

Alkaline Earth Metals

d)

Alkali Metals

39.

The folowing elements belong to the Alkali Metals, EXCEPT:

a)

Hydrogen

b)

Potassium

c)

Calcium

d)

Sodium

40.

How many valence electron does Bromine have.

a)

Seven

b)

Six

c)

Eight

d)

Three

formation of light elements

Total questions: 40

Worksheet time: 34mins

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