All of the noble gas elements except neon have 8 electrons in their outermost energy level. True or false

What are eggshells made of?

A neutral atom must have the same number of neutrons and electrons true or false

Which is an example of making a quantitative observation? measuring the mass of metal used in a reaction recording the color of a solid formed in a reaction describing a liquid as having a slippery feel rating an odor on how nice it smells

What are the terms: organic compound and organic chemistry? How are the hydrocarbons and models used to represent them determined? How to distinguish between saturated hydrocarbons and unsaturated hydrocarbons?

1. The simulation shows a quantity of oxygen molecules. What state of matter is this?

Consider mixing 25.00 mL of 0.0200 M of each of the following of solutions. In which of the following will a precipitate form: Na2SO4 mixed with Ba (NO3) 2 NH4Cl mixed with Mg (NO3) 2 KF mixed with Ba (NO3) 2 MgCl2 mixed with Na2CO3

How many liters of chlorine gas at 650 mmhg and 25c can be produced by the reaction of 2.00 l of 2.50 m hcl solution with excess mno2?

What is the theoretical yield of H2S

How many atoms are there H, SO

How does the shape of the Earth affect the climate of different regions?