What is the term used to refer to the amount of matter in a subject?
Mass
_H2 + _Cl2 >>> _HCl
1, 1, 2
Write Electron Configuration for Iodine
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p5
Will NaCl dissolve in H2O and why
Yes. Polar and Polar
When sugar burns, is that a chemical or physical change?
Chemical
___ HCl + ___ NaOH >> ___ NaCl + ___ H2O
1,1,1,1
Electron Configuration of Chlorine
[Ne] 3s2 3p5
What happens to solubility when temperature rises?
solubility increases
What happens to the mass and volume of water when it evaporates?
___ Na + ___ O2 >>> ___ Na2O
4,1,2
Magnesium
[Ne] 3s2
What happens to solubility when pressure increases?
solubility increases
what kind of change is lighting a match?
chemical change
___ K + ___ B2O3 >> ___ K2O + ___ B
6,1,3,2
[Kr] 5s2 4d10
identify the element
cadmium
Would it be possible to dissolve 50 g of sugar in a solvent that has a solubility of 45g? Why?
No because it is saturated
Dissolving salt in water to make a salt solution. Homogenous or Heterogenous mixture?
Homogenous
___ NaOH + ___ H2CO3 >> ___ Na2CO3 + ___ H2O
2,1,1,2
[Xe] 6s2 4f14 5d10 6p2
Identify the element
Lead
Based on solubility guidelines, is AgCl soluble or insoluble?
insoluble