Chemical Compounds and Naming

This video tutorial explains how to write and name chemical formulas for compounds formed by metals and non-metals. It covers the identification of metals and non-metals on the periodic table, the concept of valency, and the steps to derive chemical formulas. The tutorial also demonstrates how to convert non-metal names to their IDE forms for proper chemical naming. Several examples, including sodium oxide, aluminum oxide, magnesium sulfide, sodium phosphide, and magnesium nitride, are provided to illustrate the process.

What is the position of hydrogen in the periodic table in terms of metals and non-metals?

• Hydrogen is a noble gas.

• Hydrogen is a transition metal.

• Hydrogen is a non-metal.

• Hydrogen is a metal.

How do you determine the valency of an element?

• By its position in the periodic table.

• By its group number.

• By its electron configuration.

• By its atomic number.

What is the chemical formula for a compound formed by sodium and oxygen?

• Na2O2

• NaO2

• Na2O

• NaO

When naming a compound, how is the non-metal's name changed?

• Add 'ide' to the end.

• Add 'ium' to the end.

• Add 'ate' to the end.

• Add 'ite' to the end.

Which of the following is a correct IDE name for a non-metal?

• Chlorium

• Chlorite

• Chloride

• Chlorate

What is the name of the compound with the formula Al2O3?

• Aluminum oxide

• Aluminum dioxide

• Aluminum trioxide

• Aluminum peroxide

What is the simplified chemical formula for magnesium and sulfur?

• MgS2

• Mg2S

• Mg2S2

• MgS

What is the name of the compound Na3P?

• Sodium phosphide

• Sodium phosphate

• Sodium phosphite

• Sodium phosphor

What is the chemical formula for a compound formed by magnesium and nitrogen?

• MgN2

• Mg3N2

• MgN

• Mg2N3

What is the name of the compound Mg3N2?

• Magnesium nitrogen

• Magnesium nitrate

• Magnesium nitrite

• Magnesium nitride