CH 1
CH 2
CH 3
CH 4
100
How many sig figs does 0.004280 have?
4
100
How many electrons does a calcium ion have?
18
100
How many unpaired electrons does P have?
3
100
You get a mango-a-go-go from Jamba Juice, but they didn't do a good job of blending your drink, so there's chunks in it. What kind of mixture would this be?
Heterogenous mixture
200
Solve the following problem: (14.60 + 2.0)/6.830
2.43
200
An iodine ion has a 74 neutrons. Fill in the remaining info in AZX notation.
200
Draw the Lewis dot structure for carbon.
200
H+ & Cl- react to form HCl. What kind of compound is this?
Binary acid
400
Convert 0.46 L to cm3.
460 or 4.6 x 102 cm3
400
An element has 2 isotopes we'll call ETC-151 & ETC-153. If ETC-151 is 48.03% abundant, what is the average atomic mass?
152 amu
400
What is the noble gas abbreviation of Sr? (atomic # 38)
[Kr]5s2
400
Write the name of the following compound: CoCO3.
Cobalt(II) carbonate