At STP fluorine is a gas and iodine is a solid. This observation can be explained by the fact that fluorine has

For the exothermic reaction N2 (g) + 3H2 (g) →2nh3 (g) what will happen if hydrogen gas was removed from the reaction mixture?

How many atoms of calcium are in a unit of calcium phosphate whose formula is Ca3 (PO4) 2? A) one C) three B) two D) four

What is the best definition of polar covalent bond?

Cinnabar is an ore of mercury that contains only Hg and S. When a 0.350 g sample of cinnabar is heated in oxygen, the ore decomposes completely to yield 0.302 g Hg metal. What is the empirical formula of cinnabar?

When making broccoli cream soup, the broccoli and aromatics should be A. sweated. B. puréed. C. simmered. D. burned.

Which bond or interaction would be most difficult to disrupt when compounds are placed into water?

Which of the following is the correct name for the compound hgs? mercury sulfide mercury (i) sulfide mercury (ii) sulfide mercury monosulfide?

Which of these has the most impact on the apparent brightness of a star seen from Earth? Gravitational pull, temperature of star, distance from earth, earths orbital pattern

What are 6 abiotic factos from finding nemo?

Which of the following is an element? a. carbon monoxide gas (co) b. magnesium chloride salt (mgcl) c. hydrochloric acid (hcl) d. zinc metal (zn)