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Knihovna

Assessment Chemical Reactions (11/20/2025)

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Poslední aktualizace 3 months ago
3 questions
4
Otázka 1
1.

Draw a picture showing what the molecules look like inside the beaker and test tubes. Add a key to explain your symbols.

4
Otázka 2
2.

Draw a labeled picture of the atoms showing that the mass stays the same in the underwater reaction. Use the same key.

4
Otázka 3
3.

Do the properties of the substances change after the reaction (from the left side of the arrow to the right side of the arrow? Explain.