Answer:
True, the answer is true!
Moving from the details of Jerrika’s observations to the big picture of rubbing things together to make heat.
Answer:
Explanation:
Ar has the same number of electrons as Ca
2+
. These are isoelectronic species.
The atomic number of Ar is 18. It contains 18 electrons. The atomic number of Ca is 20. It contains 20 electrons.
It loses 2 electrons to form Ca
2+
ion with 18 electrons.
Answer:The thickness of an object can also affect pitch. Thinner strings or wires vibrate faster than thicker ones. Remember:faster vibrations = higher pitch! For example, when a thick rubber band and a thin rubber band are both plucked with the same force, the thin rubber band has a higher pitch.
True because predicates when combined with adjectives, nouns, or pronouns then change the subject.
