109.5
tetrahedral shape:
number of electron pair = 4,
number of bonded pair = 4,
number of lone pair = 0.
A. Acids increase the number of OH- ions in a solution. FALSE
B. Bases increase the number of OH- ions in a solution. TRUE
C. Acids increase the number of H+ ions in a solution. TRUE
D. Bases increase the number of H+ ions in a solution. FALSE
Protons .because electron has negative charge and proton has positive charge.
Answer:
Percent composition by element
Element Symbol Atomic Mass
Antimony Sb 121.760
Explanation: