Examlex
Which of the following elements has the lowest number of valence electrons?
Heckscher-Ohlin Model
An economic theory that proposes that countries will export goods that make intensive use of the factors of production that they have in abundance.
Unskilled Labor
Workforce that has no special training or education and typically involves manual labor with simpler tasks.
Skilled Labor
Workers who have specialized training or skills, often acquired through education or extensive job experience.
Heckscher-Ohlin Model
An economic theory that suggests that countries export what they can most efficiently and abundantly produce, based on their factors of production.
Q11: What name is commonly given to the
Q12: 9) A metal is an element that
Q35: Which is the correct electronic configuration for
Q40: S<sup>4+</sup><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: -78 °C<br>A)boiling point of ethanol<br>B)boiling point of
Q65: (NH?)2CO?<br>A)29.2%<br>B)63.6%<br>C)7.7%<br>D)30.4%
Q78: When drawing the three-dimensional structure diagram of
Q114: barium carbonate<br>A)water insoluble<br>B)water soluble
Q114: 1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>12</sup><br>A)Excited State<br>B)Ground State<br>C)Impossible State
Q161: Ca(CN)2<br>A)29.2%<br>B)63.6%<br>C)7.7%<br>D)30.4%