What's the molar mass of alumina, Al2O3? The atomic weight of aluminum is 26.98 and the atomic weight of oxygen is 16.00. Question 16 options:

A)

101.96 g/mol

B)

48.00 g/mol

C)

42.98 g/mol

D)

149.96 g/mol

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³