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WorksheetsScience 9 - Chem Review
Total questions: 23
Worksheet time: 13mins
Valence electrons of Na
1
2
7
8
Valence electrons of O
1
2
6
7
Valence electrons of Cl
1
2
6
7
The charge of the most common ion of K
+1
+2
-1
-2
The charge of the most common ion of O
+1
+2
-1
-2
The charge of the most common ion of F
+1
+2
-1
-2
The cation charge in Ti(OH)₂
+1
+2
+3
+4
The cation charge in TiO₂
+1
+2
+3
+4
The cation charge in FeS
+1
+2
+3
+4
The anion charge in Na₂CrO₄
-1
-2
-3
-4
The name of TiP
titanium (I) phosphide
titanium (III) phosphide
titanium (I) phosphate
titanium (III) phosphate
The name of Ti₃PO₄
titanium (I) phosphide
titanium (III) phosphide
titanium (I) phosphate
titanium (III) phosphate
The name of Na₃PO₄
sodium (I) phosphate
sodium (II) phosphate
sodium (III) phosphate
sodium phosphate
The name of MgS
magnesium sulfide
magnesium (I) sulfide
magnesium (II) sulfide
magnesium (III) sulfide
Name: PCl₅
monophosphorus pentachloride
phosphorus pentachloride
phosphorus (V) chloride
phosphorus chloride
Name: N₂O₃
nitrogen trioxide
dinitrogen trioxide
nitrogen (II) oxide
nitrogen oxide
The electron transition that GIVES OFF the MOST energy.
1n → 2n
2n → 1n
1n → 3n
3n → 1n
The electron transition that ABSORBS the LEAST energy.
1n → 2n
2n → 1n
1n → 3n
3n → 1n
The electron transition that EMITS light with the lowest WAVELENGTH.
1n → 2n
2n → 1n
1n → 3n
3n → 1n
What colour of the visible spectrum has the highest energy?
red
violet
white
black
What colour of the visible spectrum has the lowest wavelength light?
red
violet
white
black
Where is white light in ROYGBIV?
on the one of the ends
in the middle (between Y and B)
it's a combination of all of ROYGBIV
it's when you have no light at all
Which colour of light travels the fastest?
red
green
blue
it's a tie
