Science Starter
How many protons, electrons, and neutrons does the element
Oxygen have?
Protons:
Electrons:
Neutrons:
Science Starter
How many protons, electrons, and neutrons does the element
Oxygen have?
Protons: 8
Electrons: 8
Neutrons: 16 - 8 = 8
Grade Homework:
Atomic Structure Worksheet
Put your pencils away and take out a red pen to grade
your worksheet
Atoms, Elements, and
the Periodic Table
Ms. Dale
atomicnumber
#ofprotons
elementsymbol
elementname
atomicmass
#ofprotons+
neutrons
3
Li
Lithium
6.941
3
Li
Lithium
6.941
Howmany
protonsarein
oneatomof
lithium?
3
Li
Lithium
6.941
Howmany
electronsare
inoneatom
oflithium?
3
Li
Howmany
neutronsare
inoneatom
oflithium?
7
- 3
Lithium 6.941 4
protons&
neutrons
protons
neutrons
Amodelofalithiumatom
-
+
+
+
-
Name That Atom
Whiteboard Competition!
Each table will be a group. Use the periodic
table and your knowledge of atoms to find the
name of each of the following atoms. Use a
Periodic Table!
Name this
atom!
1
3
Protons
How many
neutrons does
this atom
have?
Name this
atom!
1
3
Protons
How many
neutrons does
this atom
have?
Element: Lithium
Number of neutrons: 7 - 3 = 4 neutrons
(use electrons to find the atomic number)
Name this
atom!
2
6 neutrons
How many
protons does
this atom
have?
Name this
atom!
2
6 neutrons
How many
protons does
this atom
have?
Element: Boron
Number of electrons: 5 (same number as protons)
Name this
atom!
3
14
Protons
How many
electrons would
this atom have?
Name this
atom!
3
14
Protons
How many
electrons would
this atom have?
Element: Silicon
Number of electrons: 14 (same number as protons)
Name this
atom!
4
10
Protons
How many
neutrons make
up this atom?
Name this
atom!
4
10
Protons
How many
neutrons make
up this atom?
Element: Neon
Number of electrons: 10 (20-10=10)
Name this
atom!
How many
protons and
neutrons
does this
atom have?
5
Name this
atom!
How many
protons and
neutrons
does this
atom have?
Element: Sulfur
Number of protons: 16
Number of neutrons: 32-16 = 16
5
Name this
atom!
v
6
How many
protons and
neutrons does
this atom
have?
Name this
atom!
6
How many
protons and
neutrons does
this atom
have?
Element: Beryllium
Number of protons: 4
Number of neutrons: 9 - 4 = 5
Name this
atom!
7
18
Protons
How many
neutrons
does this
atom have?
Name this
atom!
7
18
Protons
How many
neutrons
does this
atom have?
Element: Argon
Number of neutrons: 40 - 18 = 22
Name this
atom!
8
12
Protons
How many
electrons and
neutrons
does this
atom have?
Name this
atom!
8
12
Protons
How many
electrons and
neutrons
does this
atom have?
Element: Magnesium
Number of protons: 12
Number of neutrons: 24 - 12 = 12
Moby Max
-Starting next week you will be expected to do 30 minutes
of science Moby Max a week
-The week starts on Monday and ends Sunday evening
-You must get 80% correct to be given full credit
-Moby Max is 10% of your grade
Homework:
What Are Atoms and
What Are Molecules Worksheets
EXIT TICKET
Please do exit ticket #5 on the
class blog
under todays date