it has four significant figures.
Answer: Ions are an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. They are formed when atoms lose or gain electrons in order to fulfill the octet rule and have full outer valence electron shells.
Explanation:
When they lose electrons, they become positively charged and are named cations. When they gain electrons, they are negatively charged and are named anions.
Ch3ch2ch2ch2ch2ch3 Is called Hexane, it is a colorless liquid hydrocarbon
Answer:
well its def is : an explanation of observations or events based on knowledge gained from many observations and investigations
Explanation:
you will also need to know this if you dont already ✔
scientific law:✨
a law that describes a repeatable pattern in nature
manipulated/independent variable:✨
variable that stands alone an is not affected by other variables (the variable that is purposely changed)
responding/dependent variable:✨
variable that changes as a result of an experiment (variable that is measured)
control variable:✨
variable that always stays the same in an experiment
The particles move faster because heat causes the atoms to speed up and move farther from each other.