Write the quantities 3x10^-4 cm and 3x10^4 km in ordinary notations

Which of the following is endothermic?

What is the theoretical yield of this test reaction? Record answer to the nearest whole number.

The principal quantum number indicates what property of an electron? Position Speed Energy level Electron cloud shape

Lithium salts contain a lithium atom that is missing one valence electron (and therefore bears a positive charge). Choose the correct lewis structure of the lithium cation.

Naturally occurring iron contains: 5.82% 54Fe (atomic mass = 53.940 amu) 91.66 % 56Fe (atomic mass = 55.935 amu) 2.19% 57Fe (atomic mass = 56.935 amu) 0.33% 58Fe (atomic mass = 57.933 amu) Calculate the average atomic mass of iron.

How many grams are in 8.9 moles of CaCO3

Why is all matter affected by gravity-

Lewis structure for hydrogen

What do non metals do when they ionize

What does the stonefish eat