Atoms and Elements Worksheet
1. Label all parts of this atom, calculate overall charge and mass. Show all work.
+
0
0
+
0
-
Protons
Protons
+
+
Neutrons
Overall Charge
Mass #
Using your flip card and your periodic table, fill in the tables below.
Element
Name
Element
symbol
iron
Si
calcium
Br
Electrons
Atomic #
Mass #
# of
protons
# of
electrons
56
26
28
14
41
20
80
35
16
# of
neutrons
17
How many protons, electrons, and neutrons do the following atoms have?
(fill in the table)
Element
Name
Atomic #
Ca
Mass
#
40
Neutrons Electrons
Protons
16
oxygen
17
K
35
39
sulfur
32
sodium
23
Mg
35
C
8
5
35
4
45
Fill in the blanks
Matter is anything that has _______________ and _________________. Matter is made up of
__________________ which are the building blocks of matter. All atoms must be a type of
______________. Atoms are made up of 3 particles. These 3 particles are
_______________________________________________. The __________ and
____________ are found in the nucleus of the atom. The nucleus is in the _______________ of
the atom and is very __________________. The charge of the nucleus is _________. The
______________ are found outside the nucleus. These have a _______________charge.
The ___________________________ lists all the elements. It is arranged by increasing
___________________________. The atomic number states the number of ____________ an
atom has. The mass number of an atom gives the total number of _________________ and
_________________.
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