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WorksheetsWriting Chemical Formulas
Total questions: 25
Worksheet time: 26mins
Which is the correct formula for:
3 Hydrogen (H)
1 Sulfur (S)
4 Oxygen (O)
H3SO4
HSO4
H4S3O
H2O
Which is the correct formula for:
3 Hydrogen (H)
1 Sulfur (S)
4 Oxygen (O)
H3SO4
HSO4
H4S3O
H2O
An example of an ANION is
Cl-1
N-3
Se-2
These are all examples of anions.
Which of the following is NOT an example of a cation?
Ca+2
Cl-1
Li+1
All of these are cations.
Write the chemical formula for O and K.
(a)
Write the formula for O and Ca.
(a)
Write the formula for Br and Ba.
(a)
What is the formula for manganese(III) oxide (Mn and O)?
(a)
What is the correct formula for the compound, lithium oxide (Li and O)?
(a)
What is the most likely compound formed between sulfur and oxygen?
SO4
S2O3
SO3
S6O5
What would be the formula for a compound made up of silicon and oxygen?
SiO2
SiO
Si4O6
SiO4
What would be the formula for a compound made up of sulfur and chlorine?
Metals tend to __________ electrons and nonmetals tend to __________ electrons.
gain, gain
lose, lose
lose, gain
gain, gain
Covalent compounds are formed by
a metal and metuloid
a metal and nonmetal
metal and metal
nonmetal and nonmetal
Ionic compounds are formed by
a metal and metuloid
a metal and nonmetal
metal and metal
nonmetal and nonmetal
Identify the following compound as Ionic or Covalent.
CCl4
(a)
Identify the following compound as Ionic or Covalent.
NaCl
(a)
Identify the following compound as Ionic or Covalent.
FeBr3
(a)
Identify the following compound as Ionic or Covalent.
H2O
(a)
Which of the following is a binary molecular compound?
sodium nitrate
ammonium phosphide
nitrogen trichloride
sodium chloride
When a phosphorus atom becomes a monatomic ion, what will its charge be and what will its name be?
5+, phosphide
3-, phosphide
5+, phosphorus ion
3-, phosphorus ion
Which statement best describes the octet rule?
When an atom becomes an ion, it gains or loses eight electrons.
When an atom becomes an ion, it gains or loses eight neutrons.
When an atom becomes an ion, it gains or loses protons so that its nucleus holds eight protons.
When an atom becomes an ion, it gains or loses electrons so that its valence shell holds eight electrons.
A negatively charged ion is called _____________.
an onion
an ion
a negion
an anion
