WorksheetsMolecules, Bonding and the Periodic Table
Total questions: 25
Worksheet time: 14mins
Which of the following models best represents a water molecule, H2O ?
Two hydrogen atoms bonded to one oxygen atom in a linear shape.
Two hydrogen atoms bonded to one oxygen atom in a bent shape.
One hydrogen atom bonded to two oxygen atoms in a linear shape.
One hydrogen atom bonded to two oxygen atoms in a bent shape.
What is the atomic composition of a molecule of carbon dioxide, CO2 ?
One carbon atom and one oxygen atom.
One carbon atom and two oxygen atoms.
Two carbon atoms and one oxygen atom.
Two carbon atoms and two oxygen atoms.
Which of the following elements is most likely to form a covalent bond?
Sodium (Na)
Chlorine (Cl)
Argon (Ar)
Calcium (Ca)
What is the primary reason noble gases are unreactive?
They have a full outer electron shell.
They have a high atomic mass.
They have a low atomic number.
They have a high electronegativity.
Which of the following is a model of an ionic compound?
NaCl , where sodium and chlorine share electrons.
NaCl , where sodium loses an electron to chlorine.
H2O , where hydrogen and oxygen share electrons.
H2O , where hydrogen donates an electron to oxygen.
Which element is most likely to form an anion?
Lithium (Li)
Fluorine (F)
Beryllium (Be)
Neon (Ne)
What is the atomic composition of a molecule of methane, CH4 ?
One carbon atom and one hydrogen atom.
One carbon atom and four hydrogen atoms.
Four carbon atoms and one hydrogen atom.
Four carbon atoms and four hydrogen atoms.
Which of the following elements is most likely to form a metallic bond?
Oxygen (O)
Iron (Fe)
Nitrogen (N)
Sulfur (S)
Which of the following models best represents a molecule of ammonia, NH3 ?
Three hydrogen atoms bonded to one nitrogen atom in a linear shape.
Three hydrogen atoms bonded to one nitrogen atom in a trigonal pyramidal shape.
One hydrogen atom bonded to three nitrogen atoms in a linear shape.
One hydrogen atom bonded to three nitrogen atoms in a trigonal pyramidal shape.
Which of the following elements is most likely to form a cation?
Chlorine (Cl)
Oxygen (O)
Sodium (Na)
Argon (Ar)
What is the atomic composition of a molecule of glucose, C6H12O6 ?
Six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
Six carbon atoms, six hydrogen atoms, and twelve oxygen atoms.
Twelve carbon atoms, six hydrogen atoms, and six oxygen atoms.
Twelve carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
Which of the following elements is most likely to form a covalent bond with hydrogen?
Helium (He)
Carbon (C)
Neon (Ne)
Argon (Ar)
What is this?
Atom
Molecule
Compound
What is a molecule?
What is the same within each group on the periodic table?
Number of electrons
Number of valence electrons
Number of atoms
What is the Octet Rule?
The Octet Rule is a rule that atoms seek to have eight electrons in their valence shell.
What does the C represent?
atomic mass
atomic number
element name
chemical symbol
What does the 6 represent?
atomic mass
atomic number
element name
chemical symbol
What does 12.011 represent?
atomic mass
atomic number
element name
chemical symbol
The Modern Periodic Table of Elements is arranged by
atomic mass
atomic number
valence electrons
number of isotopes
Which group of the periodic table is composed of inert (not reactive) gases?
answer choices
alkali metals
alkaline earth metals
halogens
noble gases
I am a nonmetal
I am in period 2
I am in group 16/6A
Ba
Si
O
S
I am a metal
I am in group 2
I am in period 6
I am…
Mo
Re
S
Ba
/Which elements have similar chemical properties to Barium (Ba)?
Ca and Ra, because they are in the same group.
Cs and La, because they are in the same period number.
Rb, Ac, Fr, and Y because they are diagonal.
Cs, Sr, Ra and La, because they share the same period or group.
All the other options.
Elements in the same period on the Periodic Table of Elements have the same number of __________ .
