
Periodic Table, Elements, Chemical Reactions
Quiz
•
Science
•
8th Grade
•
Medium
+5
Standards-aligned
Bridget Davis
Used 2+ times
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66 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It stacks the elements in columns according to the number of valence electrons in an atom of the element. Valence electrons are those in the outermost shell of the atom and the ones that participate in reactions. The number of valence electrons is associated with the element’s reactivity. Elements with the same number of valence electrons behave in a similar way in reactions and so are grouped together in the same column on the periodic table.
What does the amount of valance electrons determine about an element?
Its row in the table.
Its atomic number.
Its atomic mass.
Its reactivity with other elements.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The maximum number of valence electrons an atom can have is eight, with the exception of helium, which can have only two. In each row, or period, of the periodic table, the last element on the right has the maximum number of valence electrons. Its outermost shell is full, and a new period in which the element on the far left has only one valence electron begins in the next row.
How do you determine how many valance electrons an element has?
Count how far over it is from the left in its row.
Count which row it is in.
They all have eight.
You can not determine this from the periodic table.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The periodic table is further arranged into three major regions, including the metals, metalloids, and non-metals. Metals are on the left of the table; they are shiny and flexible, conduct heat and electricity, and participate in ionic reactions. Non-metals are on the far right of the table; they are dull and brittle, are poor conductors, and typically participate in ionic reactions.
Which one is NOT a major region of elements in the periodic table?
Metals
Mettaloids
Non metals
Gases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon and silicon, however, are examples of non-metals that participate in covalent reactions. Metalloids are located in a zig-zagging line between the two other regions. Metalloids are solid semi-conductors. In contrast to metals and non-metals, metalloids participate in covalent reactions.
Where would you look on the table to find the mettaloids?
In a zigzag line on the right.
In column 17
On the bottom
On the top
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which row shown represents compounds?
Top row
Bottom row
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the smallest building block of matter?
Compounds
mixtures
atoms
pizza
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which choice would be a molecule?
O
H
Au
H2
Tags
NGSS.MS-PS1-1
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