Mercury is in the 80th position in the periodic table. How many protons does it have?

A. 8

B. 40

C. 80

D. 160

Which of these describes a first order reaction? A. The rate is inversely proportional to the concentration of the reactant. B. The rate is directly proportional to the concentration of the reactant. C.

Who conducted experiments to determine the quantity of charge

Which electron configuration represents the distribution of electrons in a potassium atom in the ground state?

When you look at your teacher's face, how can you see It?

cuantos gramos de sulfato de cobre, disueltos en 25 ml de agua, se necesitan para preparar 100 ml de disolución a 80% en masa

10. In what part of the world might you find Mystery Island (note: you will be given full-credit for simply attempting this question and you will find the actual answer in your teacher's feedback). Do not answer!

What are the spectator ions in this equation?

A quantity of 1.922 g of methanol (CH3OH) was burned in a constant-volume bomb calorimeter. Consequently, the temperature rose by 5.72°C. If the heat capacity of the bomb plus water was 9.

Some studies has shown that peppermint odor increases people's mental sharpness, especially when they solve math problems.

Why can't double-replacement reactions start with one reactant is a pure metal?