What two elements have the same number of valence electrons
a. rubidium and barium
b. sulfur...
Answers: 2
Chemistry, 22.06.2019 11:00, jodonw5616
The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?
Answers: 1
Chemistry, 22.06.2019 15:30, vivianfling
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 22.06.2019 17:50, mytymikey123
You exhale co2 which is produced during cellular respiration. co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid. the more physical activity you engage in, the more co2 your body is producing. you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw. can you see a change in the color of the indicator?
Answers: 2
English, 13.03.2021 14:00
English, 13.03.2021 14:00
English, 13.03.2021 14:00
Physics, 13.03.2021 14:00
English, 13.03.2021 14:00
Mathematics, 13.03.2021 14:00
Mathematics, 13.03.2021 14:00