Sciences 10F: Devoir Formel – Tableau Périodique

Flashcards covering chemical symbols, electron shell counts, and valence electrons from the Sciences 10F Periodic Table formal assignment.

What chemical symbol is given for potassium in Question 1?

$$\text{K}$$

What chemical symbol is given for sodium in Question 1?

$$\text{Na}$$

What chemical symbol is given for mercury ("mecure") in Question 1?

$$\text{Hg}$$

What chemical symbol is given for gold ("or") in Question 1?

$$\text{Au}$$

What chemical symbol is given for tin ("étain") in Question 1?

$$\text{Sn}$$

According to the table in Question 2, what is the symbol, number of electron shells, and number of valence electrons for boron ("bore")?

Symbol: $\text{B}$, number of electron shells: $2$, number of valence electrons: $3$.

According to the table in Question 2, what is the symbol, number of electron shells, and number of valence electrons for arsenic?

Symbol: $\text{As}$, number of electron shells: $4$, number of valence electrons: $5$.

According to the table in Question 2, what is the symbol, number of electron shells, and number of valence electrons for krypton?

Symbol: $\text{Kr}$, number of electron shells: $4$, number of valence electrons: $8$.

In Question 3, which element is identified as having $3$ electron shells and $2$ valence electrons?

Aluminium ($\text{Al}$).

In Question 3, which element is identified as having $4$ electron shells and $7$ valence electrons?

Bromine ("Brome", $\text{Br}$).

In Question 3, which element is identified as having $6$ electron shells and $1$ valence electron?

Cesium ("césium", $\text{Cs}$).