https://docs.google.com/document/d/1dA0_ttpuslONb__5kdxMbfLF7Nz_DjyDIKi-K0Tjpz8/pub
Homework
3/4 - Copy vocabulary words in NB
1. chemical change - occur when
chemical reactions between substances form new products.
2. compound - a substance that
results from a combination of two or more different chemical element.
3. chemical bond - something
that binds, fastens, confines, or holds together.
4. chemical formula - A shorthand way
of representing the number and type of elements in a compound or the number of
atoms in a molecular element.
5. ion -an atom or group of
atoms that carries a positive or negative electric charge as a result of having
lost or gained one or more electrons.
6. chemical property - any
characteristic that gives a substance the ability to undergo a change that
results in a new substance.
7. molecule - smallest particle in a
chemical element or compound that has the chemical properties of that element
or compound.
8. exothermic - a chemical
reaction that releases energy by light or heat. It is the opposite of an
endothermic reaction.
9. endothermic -characterized
by or formed with absorption of heat.
10. mass - A measure of the
amount of matter in an object
