Elements
What is Fe?
Iron
What is the electron configuration for carbon?
1s22s22p2
How do you find the density of an object?
Mass
Density= ----------
Volume
What is the noble gas notation for magnesium?
[Ne]3s2
What kind of shoes do you need when doing a lab?
Closed-toed shoes.
What is the symbol for Aluminum?
Al
What is the electron configuration for neon?
1s22s22p6
What is the scientific notation of this number, 200000000000?
2*1011
What is the noble gas notation for oxygen?
[He]2s22p4
How many valence electrons are in phosphorous?
5
What is Cl?
Chlorine
What is the electron configuration for sodium?
1s22s22p63s1
How many sig. figs. are in this number, 8750?
4
What is the noble gas notation for silicon?
[Ne]3s23p2
What is the SI unit for length?
Meter
What is Zn?
Zinc
What is the electron configuration of chlorine?
1s22s22p63s23p5
Use sig. figs. 246.24 + 238.278 + 98.3 =
582.8
What is the noble gas notation for copper?
[Ar]4s23d9
How many valence electrons are in argon?
8
What is the symbol for Iridium?
Ir
What is the electron configuration for calcium?
1s22s22p63s23p64s2
What does Kilo mean?
1000x bigger
What is the noble gas notation for tin?
[Kr]5s24d105p2
What did Bohr propose in his new model?
Bohr proposed that an electron is found only in specific circular paths, or orbits, around the nucleus.