Answer: The mass of oxygen in 25.0 grams of potassium permanganate, KMnO4 is 10.13 grams. molar mass of KMnO₄ = 39 + 55 + 16(4).
Explanation:<u><em>hope this helps ^^ have a good day xlXCherryColaXlx..(pls mark me brainliest)</em></u>
Answer:
From top to bottom down a group, electronegativity decreases.
Down a group, atomic radius increases.
ionization and electron affinity decrease
Answer:
Center of gravity
Explanation:
Gravity always acts downward on every object on earth . Gravity multiplied by the objects mass produces a force called weight. Although the force of an objects weight acts downwards on every partial of the object , it is usually considered to act as a single force through its balance point , or center of gravity.
Answer:
is your answer there u go
Explanation: