A nucleus of mass number 8 l contains 46 neutrons. An atomic...

Name: Problem 109, Chapter 2: General Chemistry
Uploaded: 2021-06-13T21:22:29-08:00
Duration: 1 min 16 s
Channel: Nicole Smina
Description: A nucleus of mass number 8 l contains 46 neutrons. An atomic ion of this element has 36 electrons in it. Write the symbol for this atomic ion (give the symbol for the nucleus and give the ionic charge as a right superscript).

A nucleus of mass number 8 l contains 46 neutrons. An atomic ion of this element has 36 electrons in it. Write the symbol for this atomic ion (give the symbol for the nucleus and give the ionic charge as a right superscript).

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Atomic Ion Notation

Atomic ion notation provides a concise representation of an ion, combining the element's symbol with its mass number and the ionic charge as a superscript. This notation communicates key information about the ion's structure and charge.

Neutron-Proton Relationship

The relationship between neutrons and protons in a nucleus is used to determine the composition of an atom. When the mass number and the number of neutrons are known, subtracting the neutrons from the mass number yields the number of protons.

Ionic Charge

The ionic charge of an atom is determined by the imbalance between the number of protons and electrons. If an atom gains or loses electrons, it becomes an ion with a net positive or negative charge that is indicated as a superscript in its symbol.

Mass Number

The mass number is the total count of protons and neutrons in an atom's nucleus. It is used to determine the relative mass of the nucleus and is essential for calculating the number of protons when the number of neutrons is known.

Atomic Number

The atomic number represents the number of protons in an atom's nucleus and uniquely identifies the element. Knowing the atomic number allows one to refer to the appropriate element in the periodic table.

Transcript

Please give Ace some feedback