Periodic table - review

Quiz
•
Science
•
9th Grade
•
Hard
+2
Standards-aligned
Damien Decret
Used 23+ times
FREE Resource
22 questions
Show all answers
1.
DRAG AND DROP QUESTION
30 sec • 1 pt
Rows in the periodic table are called (a)
Columns in the periodic table are called (b)
period
group
Answer explanation
Rows in the periodic table are called periods, while columns are called groups. This terminology helps organize elements based on their properties and trends.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elements in the periodic table are sorted by:
Increasing atomic number
Increasing atomic mass
Alphabetical order
Increasing number of valence electrons
Answer explanation
Elements in the periodic table are sorted by increasing atomic number, which represents the number of protons in an atom's nucleus.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Isotopes are atoms of the same element with a different number of:
Protons
Electrons
Valence electrons
Nucleus
Neutrons
Answer explanation
If you change the number of protons, you change of elements. Elements in the periodic table are neutral, therefore the number of proton is always equal to the number of electrons.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic mass in the periodic table is
The atomic mass of the most common isotope
The averaged atomic mass of isotopes
The atomic mass of the first discovered atom of the element
All of the answers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electrons are the lightest particles in the atom
True
False
They all have the same mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All the elements in the periodic table are solid at 20°C
True
False
Answer explanation
Some are gas (oxygen) and others are liquid (Mercury)
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
7.
DRAG AND DROP QUESTION
30 sec • 1 pt
The group of the element in the periodic table gives us the (a) .
The period of the element in the periodic table gives us the (b)
number of valence electrons
number of energy levels
number of protons
number of electrons
number of isotopes
Answer explanation
The group of the element in the periodic table gives us the number of valence electrons. The period of the element in the periodic table gives us the number of energy levels.
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