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WorksheetsScience SA 1 EG 10-11 Reviewer
Total questions: 25
Worksheet time: 13mins
Which subatomic particle(s) is/are found inside the Nucleus?
Protons and Electrons
Protons and Neutrons
Protons only
Electrons only
Complete the analogy: Mass Number: Neutrons; Atomic Number: _______
Electrons
Protons
Neutrons
Isotope
Which subatomic particle determines the name of the element or atom?
Protons
Electrons
Neutrons
Isotopes
The given element is Argon (Ar). How many number of protons does it have?
40
18
22
58
Which is the mass number or atomic mass of the given element?
40
18
22
58
How many number of neutrons does the element have?
40
18
22
58
Boron (B) has the following numbers:
Atomic no. or No. of Protons = 5
Mass number = 11
If the net charge is -2, what is the number of electrons?
6
7
8
0
Which statement describes an Isotope?
Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nucleus.
Two or more forms of the same element that contain equal numbers of electrons but different numbers of protons in their nucleus
Two or more forms of the same element with the same mass number.
Two or more forms of the same element with different atomic number.
After a series of experiments, Element X has the following numbers: Protons= 38 and Electrons= 36. Which statement is accurate?
Element X is now a negative ion
Element X is now a positive ion
Element X is now a neutral ion
None of the choices are correct
The given atomic model is also known as:
Planetary Model
Plum pudding model
Nuclear model
Bohr Model
The given atomic model is also known as:
Planetary Model
Plum pudding model
Nuclear model
Bohr Model
Which is NOT an example of Plasma?
Sun
Stars
Neon lights
Dry ice
Which of the following is an example of a physical change?
Rust on an Iron nail
Copper coin reacts with an Acid
Boiling water
Burning wood
Which is an example of a chemical change?
Melting of ice
Evaporation of water
Vinegar reacts with baking soda
Cutting of paper
Which of the following characteristics of matter remains the same after a phase change?
Mass
Volume
Temperature
Arrangement of molecules
A solid dry ice sublimates into thick smoke when left in a table. What do we mean by SUBLIMATION?
Change from Solid to Gas
Change from Liquid to Gas
Change from Gas to Liquid
Change from Gas to Solid
As the water undergoes heating inside the container, what will happen to the kinetic energy of the water molecules?
It decreases
It increases
It stays the same
It increases then decreases
All matter is made up of tiny particles called atoms.
TRUE
FALSE
Liquids have no fixed shape but have definite volume.
TRUE
FALSE
Sodium (Na) has an atomic number of 11, thus it has 12 number of protons.
TRUE
FALSE
burning dry leaves
Physical Change
Chemical Change
