If an atom of tin has a mass number of 118 and an atomic number of 50, how many electrons does it have?

Which of the following reactions occurs most rapidly at room temperature? a. 2AgNO3 (aq) + Na2CrO4 (aq) → Ag2CrO4 (s) + 2NaNO3 (aq) b. CaO (s) + 3C (s) → CaC2 (s) + CO (g) c. SnO2 (s) + 2CO (g) → Sn (s) + 2CO2 (g) d. 2Fe (s) + O2 (g) → 2FeO (s)

How does a producer get energy

The two rod-like parts that make up a chromosomes are called chromatids

Calculate the number of Calories present in a Burger King Whopper with Cheese® that contains 55 g carbohydrate, 39 g of protein, and 53 g of fat.

The neutralization sulfuric acid with sodium hydroxide yields HSO4 (aq) + Na2OH (aa) H2SO4 (aq) + NaOH (aq) H2Na (1) + O2SO4 (aq) H2O (l) + Na2SO4 (aq)

What is plasma from which clotting factors have been removed called?

Genetic evidence supports which of the following explanations for the presence of 13 different finch species on the Galápagos Islands? A.

A living thing that cannot make its own food and must eat other living things for energy

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.

If increase the amplitude how does the velocity change? (No google)