How many valence electrons are represented in the following electron configuration? 1s22s22p5

Members of which group easily lose an electron to form a + 1 cation?

What relationship does Avogadro's law describe? A. The relationship between pressure and temperature B. The relationship between temperature and volume C. The relationship between pressure and volume D. The relationship between volume and moles

Why was Chernobyl built? I don't need to know what happened, I just need to know WHY it was built.

Upon the addition of water, As2O3 is converted to H3AsO3. During the titration H3AsO3 is oxidized to H3AsO4 and MnO4 - is reduced to Mn2. Write a balanced net ionic equation for the reaction

How much heat is absorbed during production of 112 g of NO by the combination of nitrogen and oxygen? N2 (g) + O2 (g) →2NO (g), ΔH = + 43.0 kcal

What is the enthalpy of combustion (per mole) of C3 H8 (g) ?

Describe how speed, velocity and acceleration are related?

What is 3 ethyl 3, 4 dimethylheptane abbreviated structural formula?

What kind of energy can be transferred

What could a scientist do to determine what era the Eocene period belongs to on the geologic timescale?