Atomic Structure
This is the smallest unit of mass
An atom
These are the horizontal rows on a periodic table
periods
these numbers are a way to get an accurate measurement
significant figures
This is used to extinguish a fire
fire extinguisher
This phase of matter has molecules tightly packed with little movement
solid
These are in the nucleus of an atom
protons and neutrons
these are the vertical columns in the periodic table
Groups
This is to get similar results repetidly
precision
These are used to protect your eyes during an experiment
safety glasses
this type of matter has a definitive shape
solid
these are atoms with a different # of neutrons
isotopes
this is the number on top of the element name
Atomic number
The number 109830.09 has how many significant figures
8
these are used to protect your hands in an experiment
gloves
this matter doesn't have a definitive shape and its molecules move very fast
gas
These are atoms with a different # of electrons
ion
this element has an atomic number of 1
Hydrogen
This is how close your measurements were to the correct measurements
acuracy
this is used to get a chemical out of your eye
eye washing sink
This type of matter takes the shape of its container and is usually measured in volume
liquid
This states that atoms make up everything
Atomic theory
This is the number under the element name
atomic mass
these digits in the beginning of a decimal don't contribute towards the sig figs
leading zeros
this is the correct way to smell chemicals
wafting
This changes when matter changes states
Temperature