18 Questions
Which type of compound forms between metals and non-metals?
Ionic compound
What is the smallest particle of a substance that has the chemical or physical properties of the substance?
Molecule
In an ionic crystal, what is the structure made up of?
Alternating positive and negative ions
Which type of compound involves a fixed number of atoms in each molecule?
Molecular compound
What type of compound involves non-metal atoms?
Molecular compound
In which type of compound is the ratio of metal to non-metal atoms not fixed?
Ionic compound
What is the defining characteristic of an element?
Contains a single type of particle (atom)
What is the smallest particle of an element called?
Atom
How many elements are listed in the Periodic Table of the Elements?
118
Which type of compound contains two or more elements in a fixed unchanging ratio?
Molecular compound
What is the defining characteristic of a compound?
Retains its chemical identity when mixed with others
How many elements are there in a molecular compound?
1
Which elements are considered allotropes of oxygen?
Oxygen and ozone
What is the primary difference between graphite, diamond, and fullerene?
Crystal structure
What does the atomic number of an element uniquely identify?
The number of protons in the nucleus
How many significant figures should be in a measurement to ensure accuracy?
Depends on the measuring device
Which group of elements are located on the far right side of the periodic table?
Noble gases
What properties can be used to distinguish between metallic and non-metallic elements?
Conductivity and malleability
Test your knowledge on locating elements in the periodic table, understanding trends in atomic radii and metallic properties, differentiating between atoms, molecules, elements, and allotropes, and distinguishing between molecular and ionic compounds.
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