Is phosphorus tribromide a covalent compounds or ionic compounds

How many atoms are in 33 grams of titanium? A) 1.72 x 10^23 atoms B) 2.88 x 10^23 atoms C) 3.65 x 10^23 atoms D) 4.15 x 10^23 atoms

Which rock is most likely to be to be damaged by acid rain

Compare the two atoms: 188 'X' and 178 'Y'. How are these atoms related?: a. They are atoms of different elements b. They have the same number of neutrons c. They have different numbers of protons d. They are isotopes of the same element

What are some parts the a plant cell has and an animal cell doesn't?

As the atomic numbers of the elements in column IIA increase, the size of the atoms generally increase stay the same cannot tellus decrease varies

Which is the MOST accurate description about how the different types of feedback mechanisms work

What was one of the main benefits to the use of the icebox for cooling food?

How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 0.98 atm and a temperature of 373 K?

What are the building blocks

If the specific heat of copper is 0.711 J/g•°C, how much copper would it take if the heat given off is 54.85 calories and the temperature change is 205°C.