As a star increases in brightness, which value becomes smaller? A. density B. magnitude C. temperature D. luminosity

Which has a charge of + 1? proton atom electron neutron

How is Rip Van Winkle personality contrasted his wife's? O He is lazy but well-loved, while she is angry and critical. O He is happy and hard-working, while she is gloomy and depressed.

Is electrical conductivity an extensive property or an intensive property?

Which substance is a mixture? Table salt, gasoline, aluminum, or carbon dioxide.

Potassium-40 (K-40) decays into argon-40 (Ar-40). Which of the following are true statements? Select all that apply. A. K-40 is the parent, and Ar-40 is the daughter. B. Ar-40 is the parent, and K-40 is the daughter. C.

Is an american alligator a autotroph?

A/1 * B/C = D, You find yourself with 17 guilders (a gold coin) but you are planning on taking a trip to a country where the local currency is the florin. The current exchange rate is 2 guilders for every 3 florins.

The burning of wood in a fireplace generates heat and light in the form of flames. Which of the following terms best describes this type of reaction? a. condensation reaction b. exergonic reaction c. endergonic reaction d.

How are the number of protons and the number of neutrons related?

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g