whats the center of an atom called
nucleus
how many protons are in hydrogen
1 proton
Are there more metals or non metals
metals
Where are metals located on the periodic table of elements
the left and the middle
what is an ionic bond
where an element gives or takes electrons to another element
where are electrons found
rings
how many neutrons are in a neutral hydrogen atom
1
is hydrogen a metal or non metal
non metal
where are non metals located on the periodic table of elements?
the right
what does covalent mean
where two atoms share an electron
where are valence electrons found
the outer ring
how many electrons does C-2 have
8
what is special about mercury
it is a liquid metal
what do groups on the periodic table of elements do
they organize each element by how many electrons are in the elements outer shell
how many electrons in the outer circle do the elements in group 16 have
they have 6
how many electrons are in a neutral atom
the same as the number of protons
What is the mass of ytterbium-200
True or false: conductivity measures boiling point of a metal
False: it measures electricity
how many elements are there
118
would nitrogen (group 15) give electrons or take electrons
it would take
what is found inside a nucleus
neutrons and protons
how many neutrons are in carbon-14
8
what is a physical property of all three groups
conductivity, luster, or ductility
how many periods are on the table and how many groups are there?
when would two atoms form a covalent bond
when they both have 7 electrons in their outer ring