Podcast
Questions and Answers
An element can exist in different forms known as allotropes.
An element can exist in different forms known as allotropes.
True (A)
A compound is formed when two or more elements physically mix together.
A compound is formed when two or more elements physically mix together.
False (B)
Graphite consists of three-dimensional arrangements of carbon atoms.
Graphite consists of three-dimensional arrangements of carbon atoms.
False (B)
Heterogeneous mixtures have the same composition throughout.
Heterogeneous mixtures have the same composition throughout.
Signup and view all the answers
Diamond is one of the allotropes of carbon.
Diamond is one of the allotropes of carbon.
Signup and view all the answers
A homogeneous mixture can be exemplified by a sand and salt mixture.
A homogeneous mixture can be exemplified by a sand and salt mixture.
Signup and view all the answers
In graphite, carbon atoms are bonded to three other carbon atoms within each layer.
In graphite, carbon atoms are bonded to three other carbon atoms within each layer.
Signup and view all the answers
Flashcards
Element
Element
Simplest form of matter, made up of the same type of atoms.
Compound
Compound
Substance formed when two or more different elements chemically combine.
Mixture
Mixture
Physical combination of substances.
Homogeneous Mixture
Homogeneous Mixture
Signup and view all the flashcards
Heterogeneous Mixture
Heterogeneous Mixture
Signup and view all the flashcards
Allotrope
Allotrope
Signup and view all the flashcards
Graphite
Graphite
Signup and view all the flashcards