Examlex
In its ground state, carbon has four valence electrons and needs four more to reach the octet.
Phi Effect
An optical illusion of perceived motion created when stationary objects—shown in sequence—are viewed rapidly one after another.
Impostors
Individuals who doubt their accomplishments and fear being exposed as a "fraud," despite evidence of their competence.
EEG
Electroencephalography, a method to record electrical activity of the brain via electrodes placed on the scalp.
Asleep
The state of being in a natural period of rest during which consciousness of the world is suspended.
Q5: The correct answer for the operation (5.61
Q19: The bicarbonate, bisulfate and dihydrogen phosphate anions
Q20: mg<br>A)time<br>B)energy<br>C)electrical charge<br>D)mass<br>E)length<br>F)volume<br>G)temperature<br>H)density
Q36: Mg<br>A)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup><br>B)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>2</sup><br>C)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p64s<sup>2</sup><br>D)1s22s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>1</sup><br>E)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>4</sup><br>F)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup><br>G)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup><br>H)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>5</sup>
Q52: 0.001570<br>A)1.570 x 10<sup>0</sup><br>B)1.570 x 10<sup>1</sup><br>C)1.570 x 10<sup>-</sup><sup>3</sup><br>D)1.570
Q62: CH? + Br2 ? CH?Br + HBr<br>A)2:
Q63: Which is the SI unit for length?<br>A)
Q77: Which of the three phases of matter
Q104: pyramidal, four<br>A)4<br>B)3<br>C)2
Q199: Which of the following does not have