matter vocabulary

3. / a chemical property that shows how acidic or basic a substance is,measured on a scale of 1-14.
6. / the pure substances,made of only one type of atom.
8. / number of protons in the nucleus of the atom.
11. / poor conductors of electricity and heat,dull and brittle,lower densities than metals.most gases are room temperature.
12. / can be observed when changing the substance-the flame test,reaction with water,acidity.
13. / is made of atoms,has mass,has volume.
14. / most are solid at room temperature.

1. / two or more atoms (same or different)bonded together.
2. / the smallest particle of an element that is still that element and has all the properties.
3. / can be observed without changing the substance,melting point,density,color,texture.
4. / a process where substances are transformed,changed into other substances.
5. / two or more elements chemically bonded to create a different substance with different properties.
7. of elements / represents all the pure types of matter and,atoms that exist on earth.
9. / two or more substances mixed together,but not chemically combined.
10. / bitter taste,slippery to touch,formed by gaining an electron.
15. / sour taste,formed by losing an electron.