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You can create printable tests and worksheets from these Grade 8 Bonds and Mixing questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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What are the two major categories of matter?
1. Atoms and molecules
2. Homogeneous and heterogeneous mixtures
3. Mixtures and substances
4. Elements and compounds
$MgF_2$ is an example of a(n)                .
1. ionic bond
2. metallic bond
3. covalent bond
4. noble bond
The ways in which an atom can bond with other atoms is determined by the                                         .
1. number of energy levels of the electrons
2. number of valence electrons
3. shape of the valence electrons
4. period in which the atom falls
How is a mixture different from a compound?
1. A mixture has a chemical formula. A compound does not.
2. Substances in a compound are chemically combined. The substances in a mixture are not.
3. A compound is easier to separate than a mixture.
4. A mixture forms with a chemical reaction. A compound does not.
Which of the following best classifies dirt?
1. element
2. compound
3. homogeneous mixture
4. heterogeneous mixture
What is a chemical bond?
1. a group of atoms that are joined together
2. the basic particle of matter
3. the force that holds two atoms together
4. a substance formed from the chemical combination of two or more atoms
Which substance dissolves another?
1. solute
2. solvent
3. mixture
4. compound
All methods used to separate a mixture are based on the substances'                    .
1. chemical properties
2. physical properties
3. electric properties
4. nuclear properties
An ionic bond is the attraction between                        .
1. similarly charged ions
2. oppositely charged ions
3. neutral ions
4. neutral atoms
Elements and compounds that have fixed compositions can be called
1. mixtures.
2. substances.
3. alloys.
4. aqueous solutions.