The atomic mass of an element is the sum of neutrons and

Ten times a number increased by 5 is greater than twelve times a number decreased by one.

A photon has a wavelength of 624 nm. calculate the energy of the photon in joules

How many orbitals in 3rd shell is axial

Is alkynes an electrolyte

How many liters of a 4.0 M CaCl2 solution would contain 2 moles of CaCl2?

What is the two significant figure of 11.76 cm^2? Rounded Answer

What happens to the size of a metal element as it becomes a cation? a. it increases b. it decreases c. it remains the same d. it is impossible to tell unless you know the specific element

Heat that flows by conduction is the transter of thermal energy between substances in contact. What must occur for this to happen? The two systems must be the same temperature, The two systems must not be touching each another.

What piece of information connects mass and moles?

What relationship can be seen in an element's placement within a group and its electron configuration?