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When sodium reacts with chlorine, sodium chloride is produced. Andrew represented this reaction with this equation:
[tex]\[
Na + Cl_2 \rightarrow 2 NaCl
\][/tex]

The equation is balanced [tex]$\square$[/tex] because the number of [tex]$\square$[/tex] atoms is [tex]$\square$[/tex] on both sides of the arrow.



Answer :

GinnyAnswer
The equation is balanced because the number of individual types of atoms is the same on both sides of the arrow.

Let's break it down step-by-step:

1. Identify the number of each type of atom on the reactant side (left side):
- Sodium (Na): There are 2 atoms of sodium.
- Chlorine (Cl): There are 2 atoms of chlorine.

2. Identify the number of each type of atom on the product side (right side):
- Sodium (Na): There are 2 atoms of sodium.
- Chlorine (Cl): There are 2 atoms of chlorine.

Since the number of sodium atoms and the number of chlorine atoms are the same on both sides of the equation, the equation is balanced.

Therefore, the correct selections are:
```
The equation is balanced [because] the number of [individual types of] atoms is [the same] on both sides of the arrow.
```