subject
Chemistry, 25.07.2019 09:30 jadebetancourt

The universe is made up of plz hurry a) one galaxy b) several galaxies c) thousands of galaxies d) no galaxies

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 17:30
Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge
Answers: 1
question
Chemistry, 22.06.2019 03:30
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
question
Chemistry, 22.06.2019 05:00
If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax
Answers: 1
question
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
You know the right answer?
The universe is made up of plz hurry a) one galaxy b) several galaxies c) thousands of galaxies d)...
Questions
question
History, 06.05.2020 19:19
Questions on the website: 13722360