Match the speed to the section that describes. Column A
1.
a - b:
a
a - b
2.
c - d:
e
c - d
3.
e - f:
a
e - f
4.
f - g:
f - g
Column B
a.0 m/s
b.4 m/s
c.1 m/s
d.3 m/s
e..67 m/s

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples