Which of the following contains polyatomic ion?

Oa

BeHCO

Ob

PCI

Ag!

Mgs

What are some natural processes that represent physical and chemical changes? this is in science, but it made me choose chemistry

What is the formula for carbon tetrachloride? a. CCl b. CCl2 c. CCl3 d. CCl4

How many grams of sulfur (S8S8) must be dissolved in 100.0 g naphthalene (C10H8C10H8) to make a 0.11 mm solution

Thermal windows often have all the air pumped out between the panes and a gas pumped in that is not harmful and wont react with othet things. what gas would be used

Which of the following is a correct representation of the isotope of carbon that has 7 neutrons? carbon-7 carbon-13 carbon-6 carbon-12

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.