WorksheetsHitesh Sankar's quizz
Total questions: 24
Worksheet time: 16mins
Which of the following is not a Nobel gas?
Helium
Xenon
Radium
Radon
Which of the following properties generally decrease along a period?
Atomic size
Non metallic character
Metallic character
Both atomic size and metallic character
The element with smallest size in the 4th period is
Chlorine
Iodine
Fluorine
Bromine
Element with which of the following atomic numbers will be non metallic in character?
12
20
13
15
Identify the combination reaction
Hydrogen burns in air
Electrolysis of water
Digestion of food
Addition of dilute sulphuric acid to barium chloride solution
Which one of the following types of medicines is used for indigestion?
Antibiotics
Antacids
Analgesic
Antiseptic
A pure substance made of only one type of matter.
Element
Compound
Mixture
Molecule
The smallest particle of an element that has all of its properties.
compound
mixture
atom
electron
Two or more atoms chemically combined.
atom
element
molecule
compound
Different substances that are together but NOT chemically combined.
molecule
element
compound
mixture
Two or more different elements chemically combined.
Atom
Molecule
Compound
Mixture
Which of the following is a form of Potential Energy?
Thermal Energy
Electrical Energy
Chemical Energy
Mechanical Energy
Matter is anything that has ________ and takes up space.
Volume
Mass
Energy
Weight
Which property of the unknown element determines the other elements it reacts with?
number of neutrons
The period in the periodic table
number of protons
number of valence electrons
An atom has 5 protons, 5 neutrons, and 5 electrons. What is the charge of the atom’s nucleus?
+5
+6
+11
-11
What types of particles are found in the cloud surrounding the atom’s nucleus?
positively charged particles only
negatively charged particles only
neutral particles and positively charged particles
negatively charged particles and positively charged particles
What is it called when a solid becomes a gas?
Melting
Freezing
Sublimation
Deposition
Condensation is the name of what phase change?
Solid to Liquid
Gas to Liquid
Liquid to Solid
Gas to Solid
Which one is solid?
Book
Lemon Juice
Nitrogen
None of the above
What is sublimation ?
Sublimation is the transition of a substance directly from the solid to the gas state,
Sublimation is the change of water from its gaseous form (water vapor) into liquid water.
Sublimation is a physical process that results in the phase transition of a substance from a solid to a liquid.
Sublimation is something that occurs on the surface of a liquid as it changes into the gas phase.
Evaporation causes
Cooling
Heating
Boiling
Melting
