Ch.8l1 Flashcards
1
Q
Transfer of energy
A
Causes the surrounding
2
Q
Evidence of a precaution
A
Particles form by the reation
3
Q
Chemical reation
A
Some chemical reactions are so small
4
Q
Reactivity
A
The ability of elements
5
Q
Reactant
A
An original substance
6
Q
Product
A
A new subtanse
7
Q
Precipitation
A
The solid of a chemical reaction
8
Q
Chemical change
A
A change or reation the creates a new kind of matter
9
Q
Halogens
A
The family of nonmetal elements with high reactivity like fluorine
10
Q
Alkali metals :
A
The most reactive family of metals
