basic facts
the periodic table is?
elements arranged by increasing atomic number.
The elements in the periodic table are arranged by what
Increasing atomic number
how do you find the mass number
the sum of protons and neutrons in the nucleus of a atom
in the first model of the table was there empty spaces
yes
What are groups in the periodic table
the vertical columns
The element Boron is what type of element (metal, metalloid, nonmetals, or synthetic)
it is a metalloid
Atoms of the same element that have different numbers of neutrons are called what?
isotopes
how many elements are man made
DAILY DOUBLE
Rules: you can wager any amount of money you have if you get the question right you get that much you get it wrong you lose how ever much you wagered.
QUESTION: Periods are what
the rows on the periodic table
You have 30 seconds to find titanium on the periodic table and tell me the atomic number
it is 22
elements over what atomic mass are rare
92.0
what is the least used element on this list
Darmstadtium
helium
aluminium
tin
cadmim
nihonium
osium
Darmstadtium
hydrogen is what atomic number
atomic number 1
BONUS FREE 300 POINTS NOT 400
300 points
has the periodic table always been the same
how many groups are on a periodic table
18
what is the 2 types of models used for the elements
bohr models and dot diagrams (BONUS 100 POINTS IF THEY GOT BOTH)
how do you find the atomic number
the amount of protons in the nucleus
Name 1 synthic element I will give you 20 seconds
I don't have time to type them all I'll check in person
who made the first periodic table we still use today
mendeleev