periodic table
What are the vertical columns called?
Groups
The center of the atom is
Nucleus
What is a mixture?
a combination of substances in which the atoms of the substance do not chemically combine
What are the rows called?
Periods
The part of the atom that has a positive charge is
Proton
Volume is the amount of space an object takes up.
True
When Mendeleev created the first periodic table the elements were put in a specific order based on what?
Increasing Atomic Mass
The atomic number is the number of what in the atom?
Protons
Which option lists the least dense physical state to the most dense physical state in order?
gas, liquid, solid
Why was Mendeleev's "Periodic Table" useful to scientists?
They could use it to predict properties of unknown elements.
Atoms with an electrical charge due to giving up or taking on more electrons are called
Ions
What are you measuring to find out how much space an object takes?
an object's volume
Non-metals are found on the LEFT or RIGHT side of the periodic chart of elements?
Right
The smallest particle of an element to still be that element is the
Atom
What is the name of the process used to find the volume of an irregularly shaped object?
Displacement method