KSA Science '23 - Courtney Howard | Biblioteka

1

Which of these statements will help Jesse understand rust is actually a chemical reaction?

The reactants both must be in the same phase for a chemical reaction to occur.

Rusting is a rapid process that can be observed while it is happening.

Color change is a common indicator of chemical reactions.

Rust is not on the periodic table, so it is not a chemical.

1

When things rust, they fall apart.

Rusting gives off a gas that makes the rust heavier.

The rusting reaction doesn't remove a substance.

Chemical reactions always make things heavier.

2

The mass of the jar will not change when the jar is closed.

The mass of the jar will not change when the jar is open.

The mass of the jar will increase when the jar is closed.

The mass of the jar will increase when the jar is open.

The mass of the jar will decrease when the jar is open.

1

The location of the elements within their rows (period).

The location of the elements with their columns (group).

The atomic masses of these elements.

The number of neutrons these elements contain.

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