C1 Flashcards
what is the charge of a proton
positve
do elements contain more than one type of atom
no
give the formula for carbon dioxide
co2
what is the difference between a compound and a mixture
no chemical bonding in a mixture
what is the name of a pattern formed by carrying out paper chromatography
chromatogram
which method of separation is useful to separate an insoluble liquid from a liquid
filtration
which method of distillation would you use to separate liquids with similar boiling points
fractional distillation
who discovered that the plum pudding model was wrong
Rutherford
who first devised an experiment that proved the existence of the neutron
James Chadwick
what is the electronic structure of sodium
2,8,1
why did Mendeleev leave gaps in his table of elements
for undiscovered elements
how are the group number and the number of electrons in the outer shell of an element related
they are the same
what kind of ions do metals form
positive
where are non-metals on the periodic table
on the right side
state 3 trends as you go down group 1
increasing reactivity
lower melting points
higher relative atomic mass
