WorksheetsPeriodic Table
Total questions: 15
Worksheet time: 6mins
Name
Class
Date
1.
A elements ________ can be determined by looking at the number of protons.
a)
Atomic Mass
b)
Atomic Number
c)
Reactivity
d)
Charge
2.
The electrons in the outermost energy level of an atom that influence how an element will react with other substances______________
a)
Neutron
b)
Anion
c)
Reactive electron
d)
Valence electron
3.
The ________ is the tiny, dense, positivly charged region in the center of an atom made up of protons and neutrons
a)
The center
b)
Electron Cloud
c)
Nucleus
d)
Energy shells
4.
Electrons are found in the__________
a)
Atom
b)
Nucleus
c)
Electron cloud
d)
All of the above
5.
A atom has 20 protons, 20 neutrons and 20 electrons; what is the charge of the ATOM (Look at protons and electrons)
a)
Neutral
b)
Negative
c)
Positive
6.
True or false: n neutral atoms the number of protons and electrons will always be the same?
a)
True
b)
False
7.
Name that element!
Period 2
Group 14
Period 2
Group 14
a)
Boron
b)
Oxygen
c)
Carbon
d)
Nitrogen
8.
True or false
Atomic Mass= Protons + Neutrons
Atomic Mass= Protons + Neutrons
a)
True
b)
False
9.
True or False
We find neutrons by subtracting……
N=AM-AN
We find neutrons by subtracting……
N=AM-AN
a)
True
b)
False
10.
When atoms pick up extra electrons they have a ________ charge
(Think about combining integers in math class)
(Think about combining integers in math class)
a)
Positive
b)
Negative
c)
Neutral
11.
When atoms atom loose electrons they have a ________ charge?
(Think about how you would combine -10+30)
(Think about how you would combine -10+30)
a)
Negative
b)
Positive
c)
Neutral
12.
True or false: Chlorine, Bromine and Iodine are highly reactive and have similar chemical properties
a)
True
b)
False
13.
Name that element!
7 Protons
5 valence electrons
7 Protons
5 valence electrons
a)
Boron
b)
Calcium
c)
Nitrogen
d)
odine
14.
Elements in the same period have________
a)
The same number of energy shells
b)
Same protons
c)
Same reactivity
d)
None of the above
15.
Name that element
This element has 4 energy shells, 33 protons and 5 valence electrons
This element has 4 energy shells, 33 protons and 5 valence electrons
a)
Zinc
b)
Xenon
c)
Arsenic
d)
Chlorine
100 %
