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WorksheetsTest review (Anna and Sara)
Total questions: 12
Worksheet time: 9mins
What is the definition of the conservation of mass?
energy cannot be created or destroyed
equations always have to be balanced
Mass cannot be created or destroyed, only rearranged
What element is in group 8 period 5?
Iron
(Fe)
Ruthenium
(Ru)
Xenon
(Xe)
Calcium
(Ca)
What element is this? 2)8)2
Magnesium
(Mg)
Phosphorus
(P)
Lithium
(Li)
Sulfur
(S)
Will "Oxygen" get stolen from OR steal?
Stolen
Steals
Which one is an ionic bond?
Chlorine and Hydrogen
Nitrogen and Boron
Fluorine and Potassium
What is the definition of a covalent bond?
A covalent bond is a bond between 2 metals
A covalent bond is a bond between 2 nonmetals
Which side of the periodic table has the most non-metals?
Left
Right
Nitrogen Dioxide = ?
O2N
ON2
NO5
NO2
What side are the products on?
Right
Left
Is this equation balanced?
Yes
No
After Beryllium gets stolen from, what is its charge?
-5
+2
-2
+5
How many valence electrons does Selenium have?
16
2
5
6
