Worksheetsthe Atom and the Periodic Table
Total questions: 27
Worksheet time: 16mins
What is the area surrounding the nucleus of an atom where electron are likely to be?
electron cloud
nucleus
What is the atomic number?
the number of protons in the nucleus
the number of neutrons in the nucleus
the number of protons and neutrons in the nucleus
the number of protons in the energy levels
What is the mass number?
the number of protons in the nucleus
the number of neutrons in the nucleus
the number of protons and neutrons in the nucleus
the number of protons and electrons in the atom
What is the atomic number of this atom?
1
3
4
7
How is the number of neutrons in the nucleus of an atom calculated?
Add the number of e- and p+ together
Subtract the number of p+ from the mass number
Subtract the number of e- from p+
Add the mass number to the number of e-
What subatomic particles would you find in the nucleus of an atom?
Protons only
Neutrons and Electrons
Protons and Neutrons
Protons and Electrons
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
12 neutrons
12 protons
12 electrons
24 protons and neutrons
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
10
20
25
35
What is the atomic number of the atom pictured?
9
8
18
19
Which of the following determines the identity of an element?
number of protons
number of neutrons
atomic mass
number of shells
Elements which are shiny, conduct electricity and heat are called
metal
metalloid
nonmetal
nonexistent
Atoms with similar properties are most likely located...
in the same period.
in different periods.
in the same group.
to the right and left of each other.
A neutron has a charge of
+2
+1
-1
no charge
Which elements have the most similar chemical properties?
(use your periodic table)
K and Na
K and Cl
K and Ca
K and S
How are elements ordered on the Periodic Table?
Alphabetical Order
By their atomic mass.
By their color.
By their atomic number.
Rows on the period table are called _____ while columns are called _____.
groups, families
periods, groups
groups, periods
families, groups
Metals generally have the following properties EXCEPT for being:
Shiny
Malleable
Non-conductors
Ductile
Nonmetals do NOT have which of the following characteristics:
Shiny
Brittle
Many are gasses
Good insulators
