WorksheetsPHS Science Bowl - Chemistry M1- M3 (2023)
Total questions: 20
Worksheet time: 11mins
What is the state of matter in which particles are tightly packed and have fixed positions?
Gas
Liquid
Solid
Plasma
What is the process used to separate mixtures into their individual components
chromatography
evaporation
distillation
crystallization
What is the process called when a solid turns directly into a gas without first becoming a liquid?
Evaporation
Sublimation
Melting
Deposition
Which of the following is a noble gas?
Oxygen
Helium
Carbon
Nitrogen
What is the name of the following compound: NaCl
sodium chloride
sodium (I) chloride
sodium chlorine
sodium (I) chlorine
What is the chemical symbol for carbon?
C
Ca
Cn
Crn
What did the second man drink?
Arsenic
Hydrogen Peroxide
Helium Oxolate
What is the chemical formula for methane?
NH3
CH4
CO2
H2O
Which type of bond involves the sharing of electrons between atoms?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
Which type of bond is the strongest?
Covalent bonds
Metallic bonds
Ionic bonds
Hydrogen bond
What is formed when an atom gains electrons, resulting in an excess of negative charge compared to positive charge?
Cation
Anion
Isotope
polymer
What of the following pairs of elements would most likely form an ionic bond?
Carbon and Hydrogen
Sodium and Chlorine
Iron and Oxygen
Nitrogen and Chlorine
An atom of the same element with a different number of neutrons is known as _________
Anion
Cation
Isotope
Decay
What are the smaller subunits of polymers called?
molecule
monomer
Polygon
Polyon
