Answer:
False
False
True
True
Tell me if my answers are correct
Step-by-step explanation:
1,atoms combines to form element.
False/ atoms combines to form molecule
2, a physical changes is a change in the composition of a substance.
False/a physical changes is a change in the form of a substance.
3, physical properties are used as a basis for identifying substance.
True
4, a symbol stands for one atom of an element.
True
Good Luck!