Click here to access the interactive simulation. You will practice balancing chemical equations by playing an interactive game. After accessing the website, select the game box and start with level 1, followed by levels 2 and 3. The goal of these games is to have the same number of atoms on each side of the equation. In level 1, you balanced the equation N2 + H2 →

NH3. What number did you place in front of ammonia (NH3)?

In level 2, you balanced the equation C + H2O → CH4 +

CO2. What number did you place in front of carbon dioxide (CO2)?

In level 3, you balanced the equation NH3 + O2 → NO2 +
H2O. What number did you place in front of water?

In level 1, you balanced the equation N2 + H2 →  

✔ 2

NH3. What number did you place in front of ammonia (NH3)?

In level 2, you balanced the equation C + H2O → CH4 +  

✔ 1

CO2. What number did you place in front of carbon dioxide (CO2)?

In level 3, you balanced the equation NH3 + O2 → NO2 +  

✔ 6

H2O. What number did you place in front of water?

Explanation:

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periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl