According to periodic table which elements has seven valence electrons

Which of the following best describes a consumer

What is the golden rule of solubility?

Which element is likely to be the most brittle? selenium cobalt platinum zinc

The bacteria and fungi that break down the plant and animal is classified as?

During a hot summer, air temperatures along a coastline are higher above the land than they are above the water, even though both the land and sea receive the same amount of solar energy.

Which of the following planetary objects have the most affect on Earth's tides? sun Mars moon Venus

Ionic compounds are formed by the ... of electrons? by the what?

What is it called when energy is created without oxygen?

If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmospheres? Show all of the work used to solve this problem. 2Li (s) + 2H2O (l) - > 2LiOH (aq) + H2 (g)

How did coroners handle their responsibilities in the early 1900s? Why was there a need for significant change in the job?