Chemistry Final- December 2024

Front

What identifies each element on the periodic table?

Back

Each element can be identified by its unique spectral 'fingerprint.'

Front

Which two substances are covalent compounds?

Back

C6H12O6 (s) and HCl (g)

Front

What is the correct shortcut configuration for iodine?

Back

[Kr]5s²4d¹⁰5p⁵

Front

Which represents the greatest mass: 7.2x10^-8 gigagrams, 22 kilograms, 1.5x10^12 nanograms, 6x10^-3 megagrams, or 5x10^4 milligrams?

Back

22 kilograms

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion

Front

What is the definition of a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the principle behind the periodic law?

Back

The properties of elements are periodic functions of their atomic numbers.

Front

What is the significance of the octet rule in chemistry?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full set of eight valence electrons.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons, while covalent compounds are formed by the sharing of electrons.

Front

What is the formula for calculating the molar mass of a compound?

Back

Add the atomic masses of all the atoms in the compound's formula.