Show:
Metal or Non-metal
Round to 3 Sig figs
Elements
Configurations
Grab bag
100
Na
What is sodium, metal
100
150.6142
What is 151
100
Symbol for potassium
What is K?
100
Electron configuration for Be
What is 1s2 2s2?
100
He put forth the idea that matter was discontinuous
Who is Democritus?
200
Cl
What is chlorine, non-metal
200
0.013877
What is 0.0139
200
symbol for iron
What is Fe?
200
Electron configuration for Se
What is [Ar] 4s2 3d10 4p4?
200
Number of significant figures in 704,000
What is 3?
300
Al
What is aluminum, metal
300
11.048176
What is 11.0
300
symbol for manganese
What is Mn?
300
Electron configuration for Ag
What is [Kr] 5s2 4d9?
300
Number of significant figures in 0.0041
What is 2?
400
S
What is sulfur, non-metal
400
0.0411984
What is 0.0412
400
elements are broken down into
What is atoms?
400
Electron configuration for Sb
What is [Kr] 5s2 4d10 5p3?
400
Add and give the answer with the proper number of significant figures: 2.345 + 3
What is 5?
500
Ca
What is calcium, metal
500
7.00009
What is 7.00
500
The elements in the most rightward column of the periodic table are called
What is the noble gases?
500
Complete electron configuration for Xe
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6
500
The atomic number is the number of
What is protons (also electrons)?