How many core electrons does argon have?

Sarah and her friend see a sign for gas at exit 5. The next exit is 70 mi away. If they have one fifth of a tank of gas, should they get gas at exit 5 or can they wait for the next exit

Plasma is often in stars, which are likely to contain?

Which elements are metalloids? Check all that apply.

Water difference between glacier and geyser

KOH (aq) + Mn (NO3) 6 (aq) =

Which of the following is a characteristic of nonmetals? a. nonmetals are often shiny and hard. b. nonmetals are often malleable. c. Nonmetals do not conduct electricity. d. nonmetals are often ductile.

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?