If an element has 2 protons, what is it called?
...
Answers: 2
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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 → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 15:00
Which are forms of frozen water? check all that apply. dew frost hail rain sleet
Answers: 2
Biology, 31.07.2019 07:30
History, 31.07.2019 07:30
Biology, 31.07.2019 07:30
History, 31.07.2019 07:30
Social Studies, 31.07.2019 07:30
Biology, 31.07.2019 07:30
Chemistry, 31.07.2019 07:30
History, 31.07.2019 07:30
Health, 31.07.2019 07:30
Spanish, 31.07.2019 07:30
Spanish, 31.07.2019 07:30
Spanish, 31.07.2019 07:30
Social Studies, 31.07.2019 07:30