Chem Quiz Check 1

What particle view below is a mixture?

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• 
• 
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What is the best classification for this substance?

• An element

• A compound

• A mixture

What is the best classification of this substance?

• An element

• A compound

• A mixture of 2 elements

• A mixture of 2 compounds

What is the best classification of this substance? H₂SO₄

• An element

• A compound

• A mixture

What is an example of a physical property?

• Silver is shiny

• Alcohols are flammable

• Alkali metals are reactive with water

• Acids are sometimes corrosive

What is an example of a chemical change?

• Tearing paper

• Dissolving salt in water

• Melting ice

• Burning wood

Does this particle view show an element or a compound?

• element

• compound

How many different TYPES of ATOMS are in this image?

• 1

• 2

• 3

• 4

Calcium Bromide (CaBr₂) bond type is _____

• An ionic bond

• A molecular covalent bond

• A network covalent bond

• A metallic bond

All are properties of network covalent bonds, except for ___

• Does not conduct electricity

• Does not dissolve in water

• Extremely hard and solid

• Made of two or more nonmetals

• Made of two or more metals