WorksheetsChemistry
Total questions: 20
Worksheet time: 22mins
1. A water molecule (H2O) is an example of a covalent bond because ____.
The hydrogen gains an electron an the oxygen loses one.
Electrons are shared between the hydrogen and oxygen
They do not form a neutral group of atoms.
Hydrogen and oxygen are both negative ions.
Which of the below elements will most likely form an Ionic Bond?
P and O
Cs and O
Ne and Cl
How many total atoms are in FeO2
3
2
1
The force that hold two atoms together is called a ______.
Chemical Change
Chemical bond
Reaction
Physical Change
Which Compound would be classified as a covalent bond?
CaCl2
KI
MgO
P2O5
How many electrons does chlorine need to gain in order to have a full outer shell?
1
7
8
2
A charged Particle is called an
molecule
atom
ion
compound
What type of bond is this
ionic
covalent
Are these this ionic or covalent
ionic
covalent
How do the following two elements bond together?
Cr3+ O2-
Cr2O3
CrO
Cr3O2
CrO3
Name the following compound:
Li2S
dilithium sulfide
dilithium monosulfide
lithium monosulfide
lithium sulfide
Which of the following has a full valence shell?
Oxygen
Barium
Neon
Carbon
Elements on the LEFT side of the periodic table will most likely form:
Positive ions
Neutral Ions
Negative ions
None of these
All chemical bonds involve two atoms sharing electrons
true
false
balance the equation P4+_O2 → _P2O3
3 P4+1 O2 → 2 P2O3
1 P4+ 3 O2 → 2 P2O3
1 P4+1 O2 → 2 P2O3
balance the equation _K + _Cl2 →_KCl
2 K + 1 Cl2 → 2 KCl
3 K + 4 Cl2 → 3 KCl
1 K + 1 Cl2 →1 KCl
The correct chemical formula for magnesium phosphide is
MgP
Mg₃P₂
Mg₃(PO₄)₂
Mg₂P₃
What is the correct name for P₃Cl₆?
Triphosphorous hexachloride
Potassium chloride
Phosphorous chloride
Tetraphosphorous heptachloride
What is the correct name for MgI₂?
Manganese IV iodide
Manganese diiodide
Magnesium iodide
Magnesium diiodide
What is the correct formula for dinitrogen tetroxide?
N₃O₃
N₂O₄
(N₂)₂(O₄)₃
N₄O₂
