What is the number of electrons in the Lewis dot structure for argon

Which list accurately identifies the hierarchy of space from smallest to largest? A. Universe, solar system, galaxy, planet B. Galaxy, solar system, universe, planet C. Moon, solar system, galaxy, universe D. Universe, galaxy, solar system, moon

Which of these are chemical changes in matter? check all that apply. mixing lemonade powder in water bleaching your hair mowing the lawn lighting a match letting fruit rot?

What systems are responsible for moving the gases oxygen and carbon dioxide?

During the Big Bang, what were the two main chemical elements created? Whoever answers first gets the Brainliest for being the Brainliest.

How does the type of chemical bonds present in a substance affect the substances properties?

4. Thorium-234 has a half-life of 24.1 days. What percentage of the original thorium-234 in a sample will remain after 144.6 days?

Which statement (s) is/are true of acid-catalyzed alcohol dehydrations? A) Protonation of the alcohol is a fast step. B) Formation of a carbocation from the protonated alcohol is a slow step.

Water is composed of hydrogen and oxygen, True Or False

Why must chromosomes be copied before cells divide

4) Terry's dog is racing down the lane in the part toward the east. The dog travels 36 meters in 18 seconds before it stops running. The velocity of the dog is. A. 2 m/s east B. 4 m/s east C. 8 m/s east D. 10 m/s east