WorksheetsPHYSICAL SCIENCE
Total questions: 50
Worksheet time: 25mins
It tries to understand the natural world
Natural Science
Social Science
Formal Science
It is the study of science alone, for knowledge purposes only.
Pure Science
Applied Science
It is the uses of the discoveries of pure science to create practical solutions to existing problems.
Pure Science
Applied Science
Technology and Knowledge
Science that deals with matter and energy and the interactions between them.
Chemistry
Physics
Biology
Science that deals with, matter, its composition, structure and properties, the changes it undergoes, and the energy accompanying the changes between them.
Chemistry
Physics
Biology
It is a process of producing light elements during the big bang expansion.
Stellar Nucleosynthesis
Supernova
Big Bang Nucleosynthesis
Which of the following are the pre-existing nucleons that were produced after the explosion.
Protons and Neutrons
Protons and electrons
Neutrons only
What atomic nuclei was formed when the proton combined with neutron.
Deuterium
Helium
Tritium
Tritium or Hydrogen 3 was produced from the reaction of what type of two nuclei?
Two deuterium
Two protons
Two neutrons
Among the light elements formed, deuterium, helium 3, helium 4, beryllium 7, and lithium 7, which of the following was unstable and will continue to decay spontaneously to lithium 7.
Beryllium 7
Deuterium
Helium
It is the process of producing heavy elements during the formation of star.
Big Bang Nucleosynthesis
Supernova Nucleosynthesis
Stellar Nucleosynthesis
What are the main component of the formation of star?
Helium and Lithium
Hydrogen and Helium
The formation of heavy elements by fusion of lighter nuclei in the interior of stars is called
Stellar nucleosynthesis
Supernova Nucleosynthesis
Big Bang Nucleosynthesis
It is an explosive death of a star
Supernova
Stellar
Big Bang
A state of matter that has a definite volume and shape.
Solid
Liquid
Gas
It is anything that can occupied space and has mass.
Volume
Matter
Object
Matter is made up of tiny indestructible particles called
Proton
Atom
Molecules
Which of the following are the sub-atomic particles of an atom?
Proton, Neutron, and Electron
Proton, Electron, and Quarks
Proton, atomic number, and atomic mass.
How many quarks do the electron have?
2 up quarks and 1 down quark
1 up quark and 2 down quarks
1 up quark and 5 down quarks
It is an atom with the same number of protons but different number of neutrons.
Atomic mass
Atomic Number
Isotopes
It is the total number of protons and neutrons in the nucleus of an atom.
Isotopes
Atomic mass
Atomic number
It is a number of protons inside the nucleus of an atom.
Isotopes
Atomic mass
Atomic number
what type of charge does a proton have?
Positive
Negative
Neutral
What type of charge does a neutron have?
Positive
Negative
Neutral
what type of charge does an electron have?
Positive
Negative
Neutral
Which two sub-atomic particles are located in the nucleus of an atom?
Proton and Neutron
Proton and Electron
Electron and Neutron
If an atom has 35 protons in the nucleus, how many electrons will it have orbiting outside the nucleus.
35
25
5
How many protons are in the nucleus of an atom with an atomic number of 15?
15 protons
30 protons
10 protons
It describes the distribution of electrons.
Electron Configuration
Electron Formation
Electron Design
what are the methods of electron configuration?
Electron Notation, Orbital diagram, and Half shell method
Electron shell, Sub-shell, and Orbital
S, p, and d sub-shells
What kind of particle is produced after covalent bonding?
Atoms
Molecules
Ions
How does ionic bonding take place?
Two non-metallic elements of different kinds form strong forces of attraction.
A metallic element like sodium transfers an electron to a non-metallic element like fluorine
Two non-metallic element of the same kind form strong forces of attraction.
What kind of chemical bond is formed between two oxygen atoms?
Ionic Bond
Covalent Bond
Metallic Bond
Which of the following type of elements will have the highest electronegativity?
Metallic element
Non-Metallic element
Metalloid
When does covalent bonding take place?
It takes place when atoms share electrons with one another.
It takes place when the attraction between atoms is strong.
It takes place when atoms collide with one another.
Which among the following shows that an atom is stable?
Having 2 electrons
Having 4 electrons
Having 8 electrons
What will most likely happen to a non-metallic atom after ionic bonding?
I. It forms a cation
II. It forms an anion
III. It becomes stable
IV. It becomes unstable
I & II
II & III
III & IV
How is the bond in Br2 different from the bond in MgF2?
The Bond in Br2 is metallic while the bond in MgF2 is covalent.
The Bond in Br2 is covalent while the bond in MgF2 is ionic.
There is no difference between the two.
Why do atoms react with one another to form chemical bonds?
to attain stability
to produce ions
to form compounds
Octet rule tells us
that the stability of an atom can achieved by having 8 electrons in the inner most energy level.
that Atoms tend to gain electrons in order to acquire a full set of 6 electros to became stable.
that the stability of an atom can achieved by having 8 electrons in the outermost energy level
What is the maximum capacity of electrons located in the 3rd main energy level?
2 electrons
8 electrons
18 electrons
32 electrons
How many electrons are there in one orbital?
2 elecctrons
4 electrons
6 electrons
8 electrons
What is the maximum capacity of electrons located in the d -sub shell?
2 electrons
6 electrons
10 electrons
14 electrons
CHOOSE TRUE IF YOU THINK THAT THE STATEMENT IS TRUE, OTHERWISE FALSE.
When the atom remove its electrons, the atom will become positively charge called cation.
True
False
CHOOSE TRUE IF YOU THINK THAT THE STATEMENT IS TRUE, OTHERWISE FALSE.
When the atom receive its electrons, the atom will become negatively charge called cation.
True
False
CHOOSE TRUE IF YOU THINK THAT THE STATEMENT IS TRUE, OTHERWISE FALSE.
Polar bond is unequal sharing of electrons.
True
False
CHOOSE TRUE IF YOU THINK THAT THE STATEMENT IS TRUE, OTHERWISE FALSE.
Non Polar bond has equal sharing of electrons.
True
False
DETERMINE WHETHER THE COPOUND GIVEN IS POLAR AND NON-POLAR
H2O
Water
Polar Covalent
Non-Polar Covalent
DETERMINE WHETHER THE COPOUND GIVEN IS POLAR AND NON-POLAR
Br2
dibromide or Bromine Gas
Polar Covalent
Non-Polar Covalent
DETERMINE WHETHER THE COPOUND GIVEN IS POLAR AND NON-POLAR
HCL
Hydrochloric Acid
Polar Covalent
Non-Polar Covalent
