The elements are arranged in the increasing order of their atomic number and repeating properties.
Scientists place elements with similar properties together. As it is observer in modern Periodic Table.
Probable you think to the periodic table of Mendeleev.
a microscope
A magnetometer detects magnetic fields.
particle accelerator
An element's atomic number, or how many protons it has.
Probable you think to the periodic table of Mendeleev.
they use a graph and variables!
to organize data
A table, chart, or graph.
i don't know the scientist but it is the periodic table of the elements
They use a map.
a microscope
the principles of design
whattools do scientist use to study meteors
a microscope
Technology
They use tables, graphs, and charts to record and share information.