When iron loses the 2 4s electrons, it attains a valency of +2. Sometimes, iron will also lose one of the paired electrons from 3d orbital, leaving the entire 3d orbital filled with unpaired electrons (which provides a more stable configuration). In this case, its valency will be +3.
Answer:
Explanation:
there are a certain amount of atoms
Answer:
Independent variable: Colour of the container
Dependent variables: The water amount and the room temperature
3 Constants: Amount of water, location of the containers and the container size.
Hypothesis: I think that the black container will heat up the water the fastest, as the colour black absorbs heat.
Hope it helps! :)
Answer:
The answer is <u>1</u>C4H12 + <u>7</u>O2 -> <u>4</u>CO2 + <u>6</u>H20.
Answer:
Explanation:
The solution is in the image
