A
has mass and takes up space
Matter
oxygen and hydrogen, are examples of...
Element(s)
water and carbon dioxide, are examples of...
compound(s)
Substances are evenly mixed in this.
homogenous mixture
building block of matter
Atom
Around the nucleus are ____, which have a ______ charge and move very fast.
Electrons, negative
no charge
Neutrons
A ______ shows which atoms are in a compound and how many of each.
chemical formula
A substance made of two or more different atoms joined together is called a ______.
compound
The number of protons in an atom is called the ______ number.
atomic number
A substance made of only one kind of atom is called an ______.
Element
The number of each type of atom in a chemical formula is given by a _______ .
subscript
Another name for a homogeneous mixture is a.
Solution
The nucleus is made up of ____ , which have a ______
charge, and ______ , which have no charge.
Protons (+), Neutrons (No charge)
Aluminum, oxygen, water, and sugar are examples of
substances
Is honey is an example of a homogenous mixture
yes
Atomic number of Silver
47
Chemical formula of oxygen
Chemical formula of water
H2O
Are chocolate chip cookies an example of a homogenous mixture?
false, heterogenous
Is Aluminum a substance?
True
A chemical formula represents the different
A. substances in a mixture.
B. properties of an element.
C. parts that make up an atom.
D. elements that make up compounds.
elements that make up compounds.
The individual substances that make up a ___ are not evenly mixed.
heterogenous mixture
A kind of matter that is classified as a solution could also be classified as
A. a mixture.
B. an element.
C. a substance.
D. a compound.
a mixture
H2O is an example of
chemical formula