What part of an atom has most of its mass

Depending on temperature, RbCl can exist in either the rock-salt or caesium chloride structure. a) What is the coordination number of the cation and anion in each of these structures?

If the third shell can have 18 electrons why does it follow the octet rule

If the same amount of heat is supplied to samples of 10.0 g each of aluminum, iron, and copper all at 15.0 °c, which sample would reach the highest temperature

What is the value of 1,152 btu in joules

Determine the volume of a 75-gram sample of gold at stp

A living thing that cannot make its own food and must eat other living things for energy

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.

If increase the amplitude how does the velocity change? (No google)

What is the result of multiplying (2.5 * 1010) * (3.5 * 10-7) ? Use the correct number of significant digits.

What is 0.002353 to two significant figures