Answer:
Long question good luck:)
Explanation:
Answer:
the acceleration of the car is -4.9m/s2.
the direction is opposite to the actual direction, since the acceleration is negative.
The colors of light emitted from heated atoms had very specific energies.
9. Compounds can form from two nonmetals by sharing their electrons in a
C) covalent
11. An atom that has an excess positive or negative electrical charge caused by the loss or addition of an electron is called a(n) ______.
B) ion
5 is either A or C