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Worksheetschemical equation symbols
Total questions: 13
Worksheet time: 3hrs 15mins
The chemical symbol for sodium.
C
H
O
Na
How many carbon atoms are present on the reactant side? C2 + O2 ⇢ CO2
0
1
2
3
Fe + S --> FeS
Example: H2
A ___________________ uses chemical formulas, plus signs, and an arrow to represent a chemical reaction
chemical formula
chemical equation
element symbol
inventory
What is the correct "inventory" for KClO3
K = 1 Cl = 3 O = 3
K = 3 Cl = 3 O = 3
K = 1 Cl = 1 O = 3
K = 1 C = 1 l = 1 O = 3
In a chemical equation...
a new substance is formed
new atoms are formed
old atoms disappear
a equal sign is always used
Which of the following symbols is NOT a correct indication of the phase of a substance in a reaction?
(s)=solid
(g)=grams
(l)=liquid
(aq)= aqueous
Which is the correct chemical equation for the following: Solid Zn reacts with silver (I) chloride to produce Zinc (II) chloride and silver metal
Zn + AgCl → ZnCl2 + Ag
ZnCl2 + Ag → Zn + AgCl
ZnCl2 + Ag2 → Zn + AgCl
Zn2Cl + Ag → Zn + AgCl
Which of the following is a diatomic molecule?
fluorine
silver
boron
helium
