Sig Figures/Sci.Not
0.006024 has how many sigfigs?
4
In a neutral atom, the number of protons must equal the number of
What are electrons?
how many electrons can the 3rd energy level hold in the bohr model
8
The number you use to find the number of protons in the nucleus
What is the atomic number?
How many electrons does a d and p orbial hold
14-d and 6-p
0.089 has how many sigfigs
2
The number you use to find the number of protons in the nucleus
What is the atomic number
Draw the bohr model for sodium
see board
what are rows called in the periodic table
periods
What is the max number of electrons that the 3rd energy level can hold
18
convert to scientific notation 0.045
4.5 X 10^-2
Ca2+ has how many electrons
18
What goes in the nucleus and what are the charges
protons +
neutrons 0
How many valence electrons does He have
2
What is the electron configuration for Al3+ long-hand method
1s22s22p6
Convert 4500 to scientific notation
4.5 X 10^3
How many neutrons are in Sulfur-36
20
convert 64 g to mg
0.064 mf
What is the name of the group that has the most reactive metals
Alkali metals
What is the short hand electron configuration for Sc (a transition element)
[Ar]4s23d1
Round the following answer using significant figures rules: 3.46*2.1
7.3
How do you determine the number of neutrons for a neutral atom
subtract mass number from atomic number
convert 540mL to liters
.54 L
Metals are malleable, what does that mean
capable of being hammered or pounded out into thin sheets
What does Hund's Rule State
Electrons enter an empty orbital before they pair, when the orbitals are degenerate