Molecular Compounds and Chemical Formulas

This video tutorial explains how to write formulas for simple molecular compounds consisting of two different non-metals. It covers the use of chemical symbols and prefixes to represent the number of atoms in a compound. The video provides examples such as dinitrogen trioxide, antimony tribromide, tetraphosphorus trisulfide, and xenon hexafluoride, demonstrating how to convert compound names into chemical formulas.

What is the main focus of the video tutorial?

• Balancing chemical equations

• Understanding atomic structure

• Writing formulas for molecular compounds with two non-metals

• Writing formulas for ionic compounds

How do you express the names of elements in a molecular compound?

• As electron configurations

• As atomic numbers

• As chemical symbols

• As molecular weights

What prefix is used for the number three in molecular compounds?

• Tetra

• Penta

• Hexa

• Tri

What does the absence of a prefix before the first element in a compound name indicate?

• The element is a metal

• There is one atom of the element

• The element is a noble gas

• There are two atoms of the element

What is the chemical formula for dinitrogen trioxide?

• N3O2

• NO2

• NO3

• N2O3

What is the chemical symbol for antimony?

• At

• Am

• Sb

• An

How many bromine atoms are in antimony tribromide?

• Three

• Four

• One

• Two

What is the chemical formula for tetraphosphorus trisulfide?

• P4S3

• P5S2

• P2S5

• P3S4

What is the prefix for six in molecular compounds?

• Octa

• Hepta

• Hexa

• Nona

What is the chemical formula for xenon hexafluoride?

• XeF4

• XeF3

• XeF6

• XeF5