The number 80 in the name bromine-80 represents

a. the mass number.

b. the sum of protons and electrons.

c. the atomic number.

d. none of the above.

Which action results from the combination of gravity and inertia working on the moon? A. The moon's orbit around Earth B. Earth's downward pull on the moon C. the moon's push against other planets D. Earth's gravitational pull toward the moon

The chemical bonds of carbohydrates and lipids have high potential energy because: a. They are strong oxidizing agents b. They are strong reducing agents c. Many of their bonds are C-C and C-H d. They are easy to hydrolyze e.

Write an essay to explain your position on whether or not nuclear power should be continued in the US. Support your position with specific reasons and justifications.

if a gas occupies at 5.40 L at a pressure of 1.25atm, what will be its volume at a pressure of 3.00 atm? (Show work)

During photosynthesis, the following reaction takes place: carbon dioxide + water + light energy → sugar + oxygen During cellular respiration, the following reaction takes place: sugar + oxygen → carbon dioxide + water + chemical energy Given this

Which statement about Clinton s impeachment is true? A. Clinton s impeachment was supported by the majority of Americans. B. The impeachment charges were based on fraud found during the Whitewater investigation. C.

When the equation ZnS+O ZnO+SO isbalanced the coefficientof O is 1, 5, 3, or2

Radioactive elements decay at a know rate known as half-life. Choose all of the correct statements concerning half-life. Carbon-14 has a half-life of 5,730 years. A 30 gram sample will be 10 grams after 5,730 years.

I am the most reactive metal in Period 4.

Titanium is a transition metal used in many alloys because it is extremely strong and lightweight. titanium tetrachloride (ticl4) is extracted from titanium oxide using chlorine and coke (carbon). if you begin with 1.