Data Analysis
How many sig figs are in the number 97.9?
3 Sig figs
A proton has a ________ charge.
Positive
True or False: You should NOT horesplay in the lab?
True
What charge does the electron have?
Negative
Horizontal rows are called _______ and vertical columns are called _______.
1cm= ___mm
10 or 10mm
How do you tell the number of protons in the atom?
Atomic Number
True or False:
You should put glass in the regular trash can
False
How can you tell how many electrons an atom has?
By the Atomic number
The periods are arranged by increasing _____ _______.
Atomic number
4 Sig figs
How do you find the atomic mass?
Protons + Neutrons
True or False:
When lighting a burner, you turn the gas on first.
False
What orbital holds 6 electrons?
The 'p' orbital.
What groups belong to the "P" group?
13-18, excluding He
What is the answer to 8.01 x 8.9 x 8.523? (Round Correctly)
610
Where are the protons and neutrons in an atom?
In the nucleus.
How long should you put your eyes under the eye wash station.
15-20 minutes
What is the electron configuration for Phosphorus?
1s22s22p63s23p3
Each group has the same number of ____ _______ and the same ______.
Valence Electrons/Charge
What is the scientific notation for 602,200,000,000,000,000,000,000
6.022x10^23
The Ancient Greek philosopher who first proposed the idea of the atom.
Democritus
True or False: You should work with at least ONE partner in labs.
True
What element has the electron configuration of 1s22s22p63s23p64s23d6
Iron (Fe)
Dimitri Mendeleev