Terminology
Mass
Changes
100

The indivisible constituent of an element

Atom

100

Atomic mass number of carbon-12

12

100

Milk going off is what type of change

Chemical

200

A substance made up of more than one type of atom

Compound

200

Atomic number of uranium

92

200

Bending metal after you heat it up is what type of change?

Physical change

300

Electrically charged atom

Ion

300

Atomic mass of oxygen

16

300

Grinding down a log into sawdust is what type of change?

Physical

400

The same element with a differing number of neutrons

Isotope

400

Unit for measuring the mass of atoms and molecules

atomic mass units
400

Burning a log is what type of change

Chemical

500

A mixture with undissolved bits

Heterogenous mixture

500

Atomic mass of a water molecule

18g/mol

500

Making tea is what type of change?

Physical

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