What is Volume
Volume is how much space an object takes up
What does the Sign Li stand for
Lithium
How many micro meters are in a milometer
1,000 micrometers
What is a Proton
Positivly charged Particles
What element does the symbol Na stand for
Sodium
What is Mass
How much something weighs
Whats the atomic number for Cesium
55
True or False: liquids of largely different densities always separate
True
What is an Atom
The smallest unit of matter
What is a Chemical symbol
One or two letters that represent an element
What is matter
Anything that has mass and takes up space
How many Elements are on the periodic table
118 Elements
What is the Density Formula
D=m/v
What is a Nucleus
The center of an Atom formed by Protons and Neutrons
What is SI stand for
Standard International System
What is this
Balance
What is the number at the top of an element on the periodic table
Atomic Number
Who is Dmitri Ivanovich Mendeleey
A Russian Scientist invented the periodic table in 1869
What is Atomic Mass
The average mass of a typical atom of that element
What is an Ion
A charged atom that has more or fewer electrons than protons
What is the formula for finding Volume
V=M/D
What state at room temp is Rubidium
Solid state
What is a scientific Group or Family
A column of element in the periodic table
What is an Atomic Model
A way of representing something we can't easily see
What is the word for Atoms of the same element that have a different number of neutrons.
Isotopes