what is the definition of atoms
the basic unit of a chemical element.
Is a bike rusting Chemical or Physical
chemical
is breaking glass a physical or chemical reaction
physical
how many metalloids are on the periodic table?
6 metalloids
what does B+H make?
BH2
what does Bh stand for?
Bohrium
is digesting food Physical or Chemical
chemical
is boiling water a physical or chemical reaction?
physical reaction
what is the hottest metal on the periodic table
tungsten
what does H+O make?
H2O
what does Hs stand for?
Hassium
Is burning a marshmallow Chemical or Physical?
chemical change
is photosynthesis a chemical reaction or a physical reaction?
chemical reaction
How many elements are on the periodic table?
118
what does N+O make?
nitric oxide
what does Np stand for?
Neptunium
Is a log rotting Chemical or Physical?
chemical change
is digesting food a chemical reaction or a physical reaction?
chemical reaction
how many nonmetals are on the periodic table
17 nonmetals
what does F+O make?
O2F2
What does Db stand for?
dubnium
is a tree growing Chemical or Physical?
physical
What are signs of a chemical reaction?
what is the hottest metal on the periodic table
tungsten
what does H+O make?
heliox