Answers: 1
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 10:00
Nonpoint source pollution is difficult to control because it
Answers: 2
Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 13:30
Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?
Answers: 3
Determine the valency of Cu in Cu, Cl2....
Spanish, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
History, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Social Studies, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
English, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30
Mathematics, 24.03.2021 19:30