click below
click below
Normal Size Small Size show me how
Atoms/Elements
6th Physical Science
| Question | Answer |
|---|---|
| The basic building blocks of matter, because they are the smallest particles that can have the same properties as the stuff they make up. | atoms |
| The 3 subatomic particles that make up atoms. | protons, neutrons, electrons |
| Subatomic particles that have a positive electric charge and make up the nucleus of an atom. | protons |
| Subatomic particles that have no charge (neutral) and make up the nucleus of an atom. | neutrons |
| Subatomic particles that that have a negative charge and are surrounding the outside of the nucleus. | electrons |
| The name given to the area where are electrons gather around a atom's nucleus. | electron cloud |
| A pure substance that is made up of only one type of atom. | element |
| The number of protons in the nucleus of an atom. | atomic number |
| Letter(s) abbreviation that represents an element. | chemical symbol |
| A characteristic of a substance that can be observed and measured without changing the identify of the substance. | physical property |
| Elements that have some properties of metals and some properties of nonmetals. | metalloids |
| Elements that are solid, shiny, malleable, and are good conductors of heat & electricity. | metals |
| Elements that are mostly gases. Some types of this element can be solid, dull, and brittle. Not great conductors of heat or electricity. | nonmetals |
| The number of protons and neutrons that make up the nucleus of an atom. | mass number |