WorksheetsChemical bonding I
Total questions: 27
Worksheet time: 7hrs 45mins
1. Are the atoms more stable when they are bonded together or when they are apart?
Bonded Together
Apart
Are equally stable
Doesn't matter
2. Ionic Bonding involves:
The transfer of protons
The transfer of neutrons
The transfer of electrons
None of the above
3. What do atoms that form positive ions tend to do?
Tend to lose electrons
Tend to lose protons
Tend to gain electrons
Tend to gain protons
4. What element usually forms the positive ion?
Metal
Non-metals
None
5. What happens when the sodium atom loses an electron?
It become negatively charged
It become positively charged
Done
Depends on the compound
6. What usually forms the negative ion?
Non-metals
Metal
None
Depends on the situation
7. Covalent compounds:
Share electrons
Transfer electrons
Neither
8. What happens when an atom loses an electron?
Neutral (no charge)
Positive Charge
Negative Charge
10. What type of charges attract each other?
Opposite
Same
Depends on the compound
12. What combination of elements generally makes an ionic bond?
Metal and non-metal
2 or more nonmetals
Metal
None of the above
13. What elements generally make a covalent bond?
Metal and nonmetal
2 or more non-metals
Metal
None of the above
15. What is a valence electron?
An electron that is found in the outermost shell of an atom.
An electron found in the innermost shell of an atom.
An electron found in the middle shell.
Atoms are most stable when their outer shell is complete.
True
False
When an atom loses an electron, it is called a..
Crystal
Formula
Ion
Which of the following statements correctly describes the substance with the formula KI?
Molecules of potassium iodide contain one atom of potassium and two atoms of iodine.
There is a one-to-one ratio of potassium ions to iodide ions.
Potassium iodide is a molecular compound.
Which elements are least likely to react with other elements?
metals
Nonmetals
Noble gases
How many electrons are shared in total in a triple bond?
6
3
6 pairs
5
If a Nitrogen atom gains 3 e-, it can be noted as
N
N-3
N-5
N+5
In the chemical formula for an ionic compound, which item is written first?
Positive ion
Negative ion
Subscript
The lightest element
If my charge becomes 2+ what does that say about me?
I am stealing 2 electrons
I am losing 2 electrons
There are 2 atoms
I have an atomic # of 2
If I gain electrons I become
Positive because I've added to my atom
Negative because I've added electrons
Same because I'm balanced
Equal because now I have electrons
Anion is the term for an atom that gains one or more electrons.
True
False
To find the VE of an atom you need
Number of neutrons
The compound in which the atom is
The atom's atomic number (Z)
The ion's charge
The molar mass
Which are some exceptions we have encountered of the octet rule
Li
H
Be
C
F
How many electrons are shared in total in 2 double bonds
4 e-
2 e-
4 pairs of e-
1 e-
