Why will an element that is brittle lacks luster and has 6 valence electrons be in group 16

Which of the following atoms would have the greatest velocity if each atom had the same kinetic energy?

Of the gas giants, which planet has the most predominant rings? A. Neptune B. Saturn C. Uranus D. Jupiter

A 11.0 kg iron weightlifting plate has a volume of 1400 cm3. What is the density of the iron plate in g/cm3?

Bacteria are smaller than viruses. True False

Use vsepr to predict the electron pair geometry of o2

What are some differences between insect larvae and worms?

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final temperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram times Celsius.

What type of overall charge, if any, does the balloon in Diagram B have? Explain how you determined your answer.

Move deep below the ocean's surface

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8