Definitions
Definiton of matter
something that takes up space
what is your age
IDK
when was the periodic table invented
definiton of a compund
a thing composed of two or more separate elements
what are molecules made of
two or more groups of atoms bonded together
what is the most reactive element on the periodic table
Francium
Definiton is a chemical reaction
when substances are transformed into different properties
When was chemistry made
1700-1800s
How many groups are in the periodic table
18
Definition of a atom
the smallest unit of a element
are there any animals that have blue blood cells
YES
how many total elements are in the periodic table
118
definiton of chemistry
a branch of science that deals with the identification os substances
When does air become liquid
-190 c
What is the only letter not in the periodic table
J