Match the atomic particles with their electrical charges. 1. positive (+) electron 2. negative (-) proton 3. neutral (0) neutron

The table below gives the atomic mass and relative abundance values for the three isotopes of element M. Relative abundance (%) Atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 What is the average atomic mass (in amu) of element M? 2.86 5.

An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes: (1) a positive ion (2) a negative ion (3) an atom in an excited state (4) an atom in the ground state

Which atom would be expected to have a half-filled 4s subshell?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

When would you be most likely to see a rainbow

Ne 17. What is acid? a. Substance that has hydro b. Substance that has hydro c. Substance that has oxyge d. None

Can convection occur in both liquids and gases? Suggest a reason for your answer using the particle theory.

How many electrons can a 5d sublevel hold

Can you solve the anagrams cduopomn yeproprt eeculomc mentag icatreno

2. What would happen if you added more than 5 mL of H2O2 to the 5 mL of yeast solution?