Chemistry, 27.09.2020 16:01 911wgarcia
Identify whether each element is a halogen, a noble gas, or nonmetal only.
Astatine (At):
Nitrogen (N):
Krypton (Kr):
Chlorine (Cl):
Sulfur (S)
Answers: 3
Chemistry, 21.06.2019 20:30, lemonsalt9378
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
Answers: 2
Chemistry, 21.06.2019 23:50, ShlomoShekelstein
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
Chemistry, 22.06.2019 15:50, Edwardwall
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
Answers: 1
Identify whether each element is a halogen, a noble gas, or nonmetal only.
Astatine (At):
English, 16.09.2021 17:40
Geography, 16.09.2021 17:40
Physics, 16.09.2021 17:40
English, 16.09.2021 17:40