An iron atom has an atomic number of 26 and an atomic mass of 55.8 amu. How many protons does an iron atom have?

Which of the following is a reasonable ground-state electron configuration?

The type of matter and its arrangement in an object

What evidence would you look for that would tell you that stationary object is involved in a contact interaction

The peregrine falcon has been measured as Traveling up to 350 km/hr in a dive. if this falcon can fly to the moon at this speed, how many seconds would it take?

Child development is characterized by what five domains? A. Language arts, social emotional development, science and math, history and social studies, and physical development B.

In a chemical reaction, atoms are created/rearranged. The atom are joined together in the same/different arrangements after the reaction. The total number of each type of atom is greater/less/The same after the reaction.

Is dry ice subliming, endothermic or exothermic?

An atom that gains or loses an electron has a net electric charge and is called a/n A. ion. B. electron. C. proton. D. neutron.

Write the name of the following compound NH^3

Relate How do atoms relate to cells?