What type of bond is formed when two atoms share electrons?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

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DOK Level 1: Recall

Which of the following elements is most likely to form an ionic bond with chlorine?

• Sodium

• Carbon

• Silicon

• Phosphorus

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DOK Level 1: Recall

Identify the group in the periodic table that contains only nonmetals.

• Alkali metals

• Halogens

• Alkaline earth metals

• Transition metals

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DOK Level 1: Recall

What is the primary characteristic of salts?

• High melting points

• Low electrical conductivity in solid state

• Both A and B

• Neither A nor B

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DOK Level 1: Recall

• 18 g/mol

• 17 g/mol

• 20 g/mol

• 16 g/mol

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DOK Level 1: Recall

Which reaction absorbs heat from the surroundings?

• Exothermic

• Endothermic

• Both A and B

• Neither A nor B

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DOK Level 1: Recall

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DOK Level 2: Skill/Concept

How does increasing the electronegativity difference between two atoms affect the bond they form?

• Increases ionic character

• Increases covalent character

• Decreases metallic character

• No effect on bond type

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DOK Level 2: Skill/Concept

Using the periodic table, determine which element has similar chemical properties to fluorine.

• Chlorine

• Bromine

• Iodine

• All of the above

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DOK Level 2: Skill/Concept

• 0.5 moles

• 1 mole

• 2 moles

• 0.25 moles

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DOK Level 2: Skill/Concept