what is the symbol for lithium
li
what was the first number of elements on the periodic table
60
what is the atomic number for hf
72
what is the number of electrons in the calcium
1.0
is koolaid a mixture
yes
what is the symbol for sulfur
s
what does the periodic table do
organize elements
what is the atomic number for hydrogen
1
what is the number of electrons in sodium
0.9
is salt water a mixture
yes
what is the symbol for berylium
be
what is the first element
hydrogen
whats the atomic number for sulfur
16
what is the number of electrons in nickle
1.9
what is a mixture
two different samples of matter that are combined to make a product
what is the symbol for potassium
k
how do they group things
metals gases non metals
whats the atomic number for radium
88
what is the number of electrons in zinc
1.6
do we use mixtures in the real world
true
what is the symbol for tungsten
w
what is the name of the symbol ra
radium
what is the atomic number of potassium
what is the number of electrons in boron
2.0
are there mixtures that are harmful
yes there are