August
what is matter?
The stuff the universe is composed of
How many VE are in Magnesium
3 VE
What is a type 1 BIC?
metal that only forms 1 cation metal in the A groups
What is Scientific Notation
Notation expressing a number as a product of a number between 1.00 & 9.99 and the appropriate power of 10.
What is the 1st step in dividing a scientific notation?
Divide inital numbers to get quotient
What is the difference between chemical and physical change.
One changes substance and other doesn't
How many protons and neutrons are in Cobalt?
27 protons, 32 neutrons
A atom must have how much VE to be stable?
What is a decimal notation
Notation no express a number as it typically written with 0's, commas, and decimal.
When dividing scientific notations, if the answer is less than 1 where do we move DPo
Once to the right.
What is a compound?
Combined elements that break down to more elements chemically
How many e-shells holds are there in 7 e-shells?
32 e-shells
How many Atoms are in the prefix Hepta-?
7 atoms
0.00000000941kg=?
9.41 x 10^-9kg
When dividing Scientific notation, if the answer is bigger than 9.99 what do we move the DPo
Once to the right
What are the 2 different mixtures in Pure Substance?
Heterogeneous, Homogeneous
How many periodic table families are there?
when writing the acid for the final answer do you include the charges?
no
46hl ----> ___ml
4,600,000ml
(1.26 x 10^4mg)+(3.78 x 10^3mg)
1.64 x 10^4mg
What is the percentage of the 4 elements in the body
Oxygen 65%, Carbon 18%, Hydrogen 10%, Nitrogen 3%
What are the 5 different types of Radioactive decay?
Beta particle production, Alpha particle production, Positron production, Electron capture, Gamma ray production
If a Chemical formula does not have (hydro) in it what does it mean?
Has Oxygen
(6.12 x 10^-9mg)(1.05 x 10^-12mg)
6.42 x 10^-21 mg^2
(9.45 x 10^8cs^ 2) / (3,28 x 10^5cs)
2.88 x 10^3cs