Chemistry Chapter 7

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What is the formula for aluminum sulfate?

Al2(SO4)3

Name the compound Al2S3

Aluminum Sulfide

What is the correct formula for copper(I) cyanide?

CuCN

What is the formula for silicon dioxide?

SiO2

What is the chemical formula made of tin(IV) ions and chloride ions?

SnCl4

What follow's an element's symbol in a chemical formula to indicate the number of atoms?

Subscript

Name the compound SO3

Sulfur Trioxide

Name the compound N2O3

Dinitrogen trioxide

What is the correct name for the compound P2Cl4?

Diphosphorus Tetrachloride

What is the formula for barium hydroxide?

Ba(OH)2

What is the empirical formula for benzene, C6H6?

CH

The smallest whole-number ratio of atoms of each element in a compound is known as the

Empirical Formula

What is the name of the compound made of zinc ions and fluoride ions?

Zinc Fluoride

Name the compound Zn3(PO4)2

Zinc Phosphate

What is the formula for zinc fluoride?

ZnF2

How many atoms are present in one formula unit of barium acetate, Ba(C2H3O2)2?

15

If the percentage of sulfur in SO2 is about 50%. What is the percentage of oxygen?

50%

The mass of a molecule is found by

Adding the masses of all the atoms in the molecule

What is the formula for the compound formed by calcium ions and chloride ions?

CaCl2

What is the formula formed by calcium and chloride ions?

CaCl2

The mass of a molecule is found by

Calculate the molar mass of the substance Divide it by Avogadro's Number

Name the compound CF4

Carbon Tetrafluoride

Changing a subscript in a correctly written chemical formula will

Change the formula so that it no longer represents the same compound

To determine the correct formula of a compound from an empirical formula, one must know the

Formula Mass

The platinum(II) ion and platinum(IV) ion

Have charges of 2+ and 4+ respectively

How do you convert from mass to moles?

Mass x1/ molar mass

What is the correct formula for the compound made of magnesium and nitrogen?

Mg3N2

The empirical formula may not represent the actual composition of a(n)

Molecular compound

What is the formula for dinitrogen trioxide?

N2O3

What is the formula for the compound dinitrogen tetroxide?

N2O4

What is the empirical formula for a compound that has 1.18 mol Na, 1.18 mol N, and 3.53 mol O?

NaNO3

Name the compound Ni(ClO3)2

Nickel(II) Chlorate

What is the correct name for the NO3- ion?

Nitrate

What is the formula for diphosphorus pentoxide?

P2O5

The percentage composition of a compound is the

Percent by mass of each element present in a compound

Name the compound KClO3

Potassium chlorate

The first part of the name of a binary ionic compound is the

The cation

The molar mass of water is equal to

The mass of 1mol of O plus the mass of 2mol of H


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