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Name: Period:
IPS Unit 9 – Chemical Bonds
Types of Bonds Worksheet
Directions: Study the diagram below. Write your answers to the questions in the spaces provided.
- If atom A loses electrons to atom B,
a. how many electrons will atom A lose?
b. how many electrons will atom B gain?
c. what will be the charge of atom A?
d. what will be the charge of atom B?
e. what will be the total charge of the compound formed?
f. what type of bond will form?
- Explain why an element’s charge is related to the group on the periodic table to which it belongs.
Directions: Complete the table comparing ionic compounds and covalent compounds.
Characteristic Ionic compounds Covalent compounds
How the compound is formed
Smallest particle
Usual state at room temperature
Directions: Complete the sentence by writing the correct terms in the blanks.
- An atom that has gained or lost electrons is called a(n).
- An atom is when its outer energy level is filled with electrons.
- A(n) tells what elements make up a compound and the ratios of the atoms of those elements.
- A molecule that has a positive end and a negative end is a(n) molecule.
- A bond that forms between atoms when they share electrons is a(n) bond.
- A positive or negative number that is assigned to an element to show its combining ability in a compound is a(n).
- An ion that has a positive charge is called a(n).
- When an atom gains an electron, it is called a(n).
- The force of attraction between the opposite charges of the ions in an ionic compound is
a(n).
- Molecules that do not have oppositely charged ends are molecules.
- A(n) is formed when atoms gain, lose, or share electrons.
Directions: All of the statements below are false as written. In the space provided, write a term or phrase that makes the statement true when it is substituted for the underlined words.
- The properties of a compound are the same as the properties of the elements that it contains.
- Superscript numbers in chemical formulas tell how many atoms of each element are found in a unit of compound.
- All the noble gases except helium have 18 electrons in their outer energy level.
- A(n) chemical formula is the force that holds atoms together in a compound.
- An ion is a(n) neutral particle that has either more or fewer electrons than protons.
- Charges are written as subscripts.
- A(n) covalent bond is the force of attraction between the opposite charges of the ions in an ionic compound.
- The charge on the final compound is always positive.
- Equal sharing of electrons in covalent bonds results in polar molecules.
- Only two identical atoms can share electrons unequally.
- An anion is a positively charged ion.
- When an atom loses an electron, it is called a anion.
