Copy and complete the following table. Name Symbol Atomic Number Mass Number

step 1 Awesome. So when finding the symbol for sodium, we're just going to look at our periodic table.

Copy and complete the following table. Name Symbol ...

Copy and complete the following table. $$\begin{array}{|c|c|c|c|}\hline \text { Name } & {\text { Symbol }} & {\text { Atomic Number }} & {\text { Mass Number }} & {\text { Neutrons }} \\ \hline \text { sodium } & & {11}& {23} \\ \hline \\ \text { } & {_7^{15} \mathrm{N}} & {}& {} \\ \hline \\ \text { } & { _{56}^{136} \mathrm{N}} & {}& {} \\ \hline \\ \text { lithium } & {} & {}& {} & 6 \\ \hline \\ \text {boron } & { } & { 5 }& {11} \\ \hline\end{array}$$

Copy and complete the following table.
$$\begin{array}{|c|c|c|c|}\hline \text { Name } & {\text { Symbol }} & {\text { Atomic Number }} & {\text { Mass Number }} & {\text { Neutrons }} \\ \hline \text { sodium } & & {11}& {23} \\ \hline \\ \text { } & {_7^{15} \mathrm{N}} & {}& {} \\ \hline \\ \text { } & { _{56}^{136} \mathrm{N}} & {}& {} \\ \hline \\ \text { lithium } & {} & {}& {} & 6 \\ \hline \\ \text {boron } & { } & { 5 }& {11} \\ \hline\end{array}$$

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 Number

This is the number of protons in a nucleus and uniquely identifies each element. It is a fundamental property that determines the element's position in the periodic table and its chemical behavior.

Mass Number

This represents the total number of protons and neutrons in the nucleus. It is used to distinguish among different isotopes of an element and plays a key role in nuclear stability and reactions.

Neutron Number

Calculated by subtracting the atomic number from the mass number, the number of neutrons in an atom influences the isotope's mass and its nuclear stability, as isotopes with too many or too few neutrons can be unstable.

Isotopes

These are variants of a given chemical element that have the same number of protons but different numbers of neutrons. Isotopes are important in various applications, including radiometric dating, nuclear medicine, and understanding nuclear reactions.

Element Symbol

A shorthand notation, usually one or two letters derived from the element's name, which is used to represent chemical elements in formulas and the periodic table. It provides a concise way to refer to elements in chemical reactions and scientific literature.

Transcript

Please give Ace some feedback