Name: ____________________________
Date: _____________
Period: ____
Elements, Atom Structure, and Bonds
Directions: Label the atomic mass, element symbol, and the atomic number.
Carbon
6
C
12.011
Directions: Define the terms below.
Atomic
Mass
Atomic
Number
Element
Directions: Complete the table with the appropriate values for each element.
Element Name
Atomic Mass
Atomic Number
Number of
Electrons
Hydrogen
38
106.42
9
Directions: Label each component of the atom and list its charge
+
+
+
+ +
+
1.
Based on the number of protons, neutrons, and electrons, which element does
this atom make up? __________________________
2.
How many valence electrons does this atom have? _____________________
Directions: Fill in the blank with the correct vocabulary word.
1.
________________________ is an atom or molecule with an electric charge due
to the loss or gain of an electron.
2.
________________________ is an outer shell electron that can partake in the
formation of a chemical bond if the outer shell is not filled.
3.
________________________ are atoms of the same element that have a different
number of neutrons.
4.
________________________ is a bond formed by sharing electrons.
5.
________________________ is a bond formed by transferring electrons. .
Directions: Fill in the blank with the correct vocabulary word.
1.
________________________ bonds are formed between metals and
nonmetals.
2.
________________________ bonds are formed between nonmetals and
nonmetals.
3.
A _______________________ is a pure substance that is formed when two or
more different elements combine and obtain new physical and/or chemical
properties.
4.
________________________ are substances containing two or more elements
that can be broken down into simpler substances by physical means.
Directions: Circle the correct answer. There is only one correct answer for each
question.
1.
2.
3.
Which two elements have the same number of valence electrons?
a.
Boron and Aluminum
b.
Carbon and Nitrogen
c.
Argon and Helium
d.
Silicon and Aluminum
When atoms gain electrons during bonding, what do they become?
a.
Neutral ions
b.
Positively charged ions
c.
Negatively charged ions
d.
Chemically charged ions
What types of elements form ionic bonds?
a.
Nonmetals and nonmetals
b.
Metals and nonmetals
c.
Metals and metalloids
d.
Nonmetals and metalloids