Show:
lab equipment
sig figs
densinty
chemical reaction
periodic table
100
what is a bunsen burner for
to heat substances in beakers or testubes
100
how many sig figs are in 20000000000000002
18
100
Density is what kind of property?
intensive
100
how many different chemical reactions are there
5
100
who created the periodic table
by Dmitri Mendeleev
200
what are forceps for
to pick up or hold small objects
200
how many sig figs are in 80,561
5 sig figs
200
what is density
a materials mass divided by volume. Materials always have the same density.
200
what are the 5 different types of chemical reactions
Synthesis Reactions,Decomposition Reactions,Single Replacement,Double Replacement ,combustion
200
when did Dmitri create is
in 1869
300
what is a burette for
to measure and despense volumes of solution in titration
300
how many sig figs are in 90
1 sig fig
300
what is the formula of density
D= m/v
300
what is single replacement
The metal in a compound is replaced by another metal.
300
what is He on the periodic table
helium
400
what is a mortle and pestle for
to grind chemicals to powder
400
how many sig figs are in 5.9760
4
400
what is the density of copper
8.94
400
what is the letter representation of double replacement
AB +CD ---> AD + CD
400
what is Radioactivity
Stability of the nucleus. Radioactive elements spontaneously breakdown, releasing waves of energy.
500
true or false you can heat a mortle and pestle
false
500
add 6.42 1.542 ----------
7.942
500
what is the density of water
Water has a density of 1.0g/cm.
500
what is the letter representation of single reaction
A + BC ---> AC +B
500
what is the atomic radius
the distance from the nucleus to the outer most electron