FINAL EXAM REVIEWER

Presentation

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Chemistry

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7th - 9th Grade

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Practice Problem

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Medium

Jamie Cortes

Used 9+ times

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2 Slides • 12 Questions

FINAL EXAM REVIEWER

A. Covalent Compound

B. Mole Concept

C. Percentage Composition of a Compound

D. Organic Compounds

COVALENT COMPOUNDS

a. Naming and Formula Writing

b. Properties

MOLE CONCEPT

a. What is a Mole?

b. Molar Mass (element and compound)

PERCENTAGE COMPOSITION

ORGANIC COMPOUNDS

a. Uniqueness of Carbon

b. Hydrocarbons

Multiple Choice

Choose the correct chemical formula for:

iodine pentafluoride

IF₅

IP₅

I₅F

I₅P

Multiple Choice

Choose the correct chemical formula for:

hexaboron silicide

HSi

B₆Si₂

B₆Si

BSi

Multiple Choice

Choose the correct chemical name for this compound: SCl₄

monosulfur chloride

monosulfur tetrachloride

sulfur chloride

sulfur tetrachloride

Multiple Choice

Choose the correct chemical name for this compound: Si₂Br₆

disilicon bromine

disilicon bromide

disilicon hexabromide

silicon hexabromide

Multiple Choice

The number of particles found in one mole of a substance is the ______.

Avogadro's number

mass number

molar number

mole number

Multiple Choice

The number of particles in one mole of table sugar is equal to the number of particles in ______.

1 mole of oxygen gas

1 mole of table salt

1 mole water

all of the above

Multiple Choice

What is the mass of one mole of a substance?

atomic mass

formula mass

molar mass

molecular mass

Multiple Choice

What is the number of particles in 1 mole of CO₂?

6.022x10²³ molecules

44.01 g/mol

Multiple Choice

What is the molar mass of 1 mole of CO₂?

12.01 g/mol

32.00 g/mol

44.01 g/mol

Multiple Choice

What is percent composition of oxygen in 1 mole of CO₂?

44.01 g/mol

72.71 %

27.29%

Fill in the Blanks

A chemist has a jar containing 388.2 g of iron filings. How many moles of iron does the jar contain? Where Fe = 55.85 g/mol. (Round off answer to the nearest thousandths or 3 decimal places)

Type answer...

Fill in the Blanks

Calculate the number of atoms in 2.5 mol of manganese (Answer in scientific notation and rounded off to the nearest thousandths or 3 decimal places)

Type answer...

FINAL EXAM REVIEWER

A. Covalent Compound

B. Mole Concept

C. Percentage Composition of a Compound

D. Organic Compounds

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