A) X: 2s2 2p3
b) Y: 2s2 2p5
c) W: 3s2 3p1
d) Z: 3s2 3p4
e) Q: 4s2

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius