Basics
Name 3 lab safety rules?
Any of the Below:
Goggles, lab coat, no goofing around, report when chemicals are spilled, tell Rayfield when something is broken, Minimize spills and damage, be respectful
Signs of physical change in matter?
State of matter, color, texture
what is the main parts of an atom
protons, electrons, and neutrons
List examples of a mixture, solution
Seawater, blood, milk, gunpowder
Which side of the table are the metals on?
The left side of the periodic table
Smallest form of matter?
Atom
Name an example of physical change
Melting, boiling, etc.
what are some examples of atoms
sodium, uranium, argon, and chlorine.
What is a precipitate?
Forming an insoluble compound out of a solution
The group is vertical on the table and the period is horizontal on the periodic table
Definition of length?
The distance between 2 points
what is a sign of chemical changes in matter?
Odor, rust, combustion, etc.
How many electrons can be in the outermost shell to be stable?
8
Types of separation techniques
Distillation, filtration, sedimentation
How many electrons can be on the outermost shell?
8
Definition of time?
Interval between 2 events
Name an example of a chemical change
decomposition, digestion, photosynthesis
Why aren't all atomic masses nearly whole numbers?
number of protons, neutrons, and electrons
what are the different types of precipitates
Rain, snow, sleet, freezing rain, hail, snow grains, and diamond dust
Most active elements on the table?
Akali metals
What is the meaning of mass in chemistry?
The amount of matter in an object
What is the conversion of mass?
Mass and energy can't be created or destroyed
Quantum mechanical model of the atom, an orbital represents a?
A position where an electron probably is located
what is not an example of mixtures and solutions
Pure water or distilled water
What groups on the table don't follow the octet rule?