Chemistry - Fall Semester Review 2024

Front

What is the correct chemical name for the ionic compound: Fe3N2?

Back

iron (II) nitride

Front

What is the chemical formula for Dinitrogen Monoxide?

Back

N2O

Front

What atom matches this electron configuration: 1s² 2s² 2p⁶ 3s²?

Back

Magnesium

Front

Convert 2.5 grams into milligrams.

Back

2500 mg

Front

As you move down the periodic table, why do atoms get bigger?

Back

The atoms have more energy levels.

Front

What is the definition of an ionic bond?

Back

An ionic bond is a chemical bond formed between two ions with opposite charges.

Front

What is the periodic law?

Back

The periodic law states that the properties of elements are a periodic function of their atomic numbers.

Front

Define atomic mass.

Back

Atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the significance of the octet rule in chemistry?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving stability.