NEW
Font size
WorksheetsElectrons and Chemical Bonds
Total questions: 27
Worksheet time: 7hrs 45mins
Which Bohr Model contains 2 valence electrons?
How many total electrons are in Phosphorus(P)?
5
15
7
10
What group number does Boron belong to?
5
3
8
10
How many valence electrons are in Boron?
5
3
4
13
What is the magic number for chemical bonding?
5
6
7
8
Atoms form chemical bonds using electrons in the _________ energy level.
Inner
Middle
Outer
Does Chlorine(Cl) need to gain or lose electron(s) to become a complete energy level?
Gain
Lose
What is the electronic configuration for the atom Aluminum(Al)?
2, 3, 4
3, 8, 2
2, 8, 3
8, 8, 3
______ ______ is a bond that transfers an electron from one atom to another, forming ions.
Ionic Bond
Covalent Bond
How many electrons does Lithium(Li) need to transfer to Fluorine(F)?
8
1
3
2
Ionic Compounds do not form molecules. True or False?
True
False
How many valence electrons are in the Lewis dot diagram Oxygen(O)?
4
6
5
7
Name an element that matches this Lewis dot structure.
Nitrogen(N)
Hydrogen(H)
Oxygen(O)
Aluminium(Al)
Based on the Periodic Table, is CaF2 likely to be an ionic or covalently bonded compound?
Ionic
Covalent
Ionic bonds are bonds in which electrons are _______ from one atom to another.
Transferred
Shared
When atoms gain or lose an electron, they become _____.
Molecules
Ions
Atoms
Electrons
An ion is a charged atom. True or False?
True
False
Covalent bonds are bonds in which electrons are _______ from one atom to another.
Transferred
Shared
Based on the Periodic Table, is SiO2 likely to be an ionic or covalently bonded compound?
Ionic
Covalent
Elements which are far away from each other on the Periodic Table tend to form what kind of bond?
Ionic
Covalent
Elements which are close together on the Periodic Table tend to form what kind of bond?
Ionic
Covalent
A _____________ is a group of atoms held together by covalent bonds in a specific ratio and shape.
Molecule
Bond
How many valence electrons are in Oxygen(O)?
6
7
8
9
How many total electrons are in Oxygen(O)?
Use your Periodic Table.
Hint: Only the shaded electrons.
6
7
8
9
What type of bond is this an example of (NaCl)?
Ionic
Covalent
What type of bond is this an example of (H2O)?
Ionic
Covalent
______ ______ is a bond that shares electrons with atoms to form molecules.
Ionic
Covalent
