The electron configuration 1s^2 2s^2 2p^6 3s^2 describes the electrons of which element?

sodium

manganese

phosphorus

magnesium

Which group in a periodic table does potassium belong to?

Max discovered a beaker full of transparent liquid in the science lab. He hypothesized that since the liquid is transparent like water, it is water. He shared this conclusion with his friends.

What is a bond called that shares electrons between two neutral atoms? A. Polar bond B. Covalent bond C. Metallic bond D. Ionic bond

How does csi use gas chromatography in real life scenarios

Do molecules move fastest in a solid liquid or gas

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses

Wat is a redox reaction