Can someone pls help me I need to finished asap I’m new to this btw

The electron configurations of two different atoms are shown below. each yellow electron has a charge of 1−, and the net charge of each nucleus is shown. these atoms will combine with bond. a. an ionic b. a positive c. a negative d. a covalent plzzz mee with !

What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?

Compare and contrast the bohr model and the electron cloud models of the atom.