Periodic Table
The atomic number gives you the number of what subatomic particle?
What electromagnetic wave has the highest energy?
Gamma Rays
S-orbitals have what kind of shape?
Spherical
What is the S.I. unit for length?
meters (m)
Personal Protective Equipment
Adding the number of protons and neutrons
The height of the wave is known as what?
Amplitude
How many p-orbitals are on any level, from level 2 and on?
3
What does the prefix "kilo-" indicate?
1000 x larger
An erlenmeyer flask is mainly used for what?
How many periods and groups are on the periodic table?
7 periods and 18 groups
The unit for frequency is Hertz, which is a specific measure of what?
the # of cycles completed per second
What was the first model of the atom?
Plum-Pudding Model
How many nanometers are in a single meter?
1 billion
The scientific method has how many steps? (Double or nothing if you can give the steps in order)
7 (Make an observation, Ask a question, Develop a hypothesis, Test the hypothesis, Analyze results/data, Develop a conclusion/theory, and Communicate results)
The element symbol is based on what?
The Latin name of the element.
The energy of a wave is proportional to what?
Frequency
What experiment led to the discovery of the electron?
Cathode Ray-Tube Experiment
What is the S.I. unit for mass?
kilograms (kg)
A hypothesis can be defined as what?
A proposed explanation to an observation
How do you find the number of neutrons an element has?
Atomic Mass - Atomic Number
From lowest to highest energy, give the order of colors on the visible light spectrum.
Red, Orange, Yellow, Green, Blue, Indigo, Violet
What is a quantum of energy?
The amount of energy needed to move an electron from one energy level to another.
To move from degrees Celcius to Kelvin, you must do what?
Add 273
What is the difference between a homogenous and heterogenous mixture?
Homogenous = uniform composition
Heterogenous = non uniform composition