Conversion Math
Solve for "x"
y=mx+b
The steps of the scientific method (5 or 6)
1) Ask a question
2) Research
3) Hypothesis
4) Experiment
5) Analyze Data
6) Conclusion
Name the element: Hg
Mercury
Ionic and Covalent
What type of reaction is this: Na + Cl --> NaCl
Synthesis
How many sig figs: 505
3
D=m/v
Protons in an atom of Calcium
20
The type of bond that sticks together like magnets
Ionic
CH4 + O2 --> H2O + CO2
CH4 & O2
How many kg in 5000g?
5 kg
What is the density of a 15g sample of material that takes up 10 mL?
1.5 g/mL
The number of neutrons in an atom of carbon-14
8
What is the formula for this compound: Aluminum Oxide
Al2O3
Balance this reaction:
NH3 + Cl2 --> NCl3 + H2
2:3:2:3
Acronym for remembering metric conversions (King Henry)
How do you separate sand and salt?
Dissolve salt in water - filter out sand - evaporate water to get the salt
The charge of an ion of Nitrogen
What type of bond is water? (2 words)
Polar Covalent
What periodic trend causes certain atoms to attract electrons more than others and sometimes cause violent reactions?
Electronegativity
How many inches are in 12.5 cm? (1 in. = 2.5 cm)
5 in.
What type of mixture is trail mix?
Heterogenous
The total overall charge of these three ions: Li, O, Ca
1+
Name this compound: C2H6
Dicarbon Hexahydride
Balance AND Identify this reaction:
H2SO4 + CaBr2 --> CaSO4 + HBr
Double replacement: 1:1:1:2