Which principal energy level of an atom contains an electron with the lowest energy?

A) n=1

B) n=2

C) n=3

D) n=4

List all the types of volcanoes

Which rule is violated in the following configuration 1s^2 2s^2 2px^2 2py^1. State the rule

Part a a sample of gasoline contains various hydrocarbons, which comprise atoms of carbon, hydrogen, and oxygen. the hydrocarbons mix together uniformly to form gasoline. which term or terms could be used to describe this sample of gasoline?

How many miles are in 1 meter

How many moles are in 67.42 grams Si?

What type of radiation wave from the Sun does this graphic display? answer choices: x rays microwave visible ray infrared ray

What is the charge associated with each side of the HCl molecule?

Neon is a gas made up of one type of atom. Which term best describes neon? A) molecule B) element C) compound D) mixture

When the liquid is poured through a fliter,

A student went to the dentist and found out that he had a cavity. He always brushes his teeth twice a day, so he didn't understand how he got a cavity.