Examlex
One Cal of energy used by dieticians and the food industry is equal to 4.184 joules.
Rotates
The action of an object turning or spinning around an axis, either in a circular or semi-circular direction.
Mechanism
A system of moving parts designed to perform a specific function within a larger machine or device.
Abbreviation
An abbreviated version of a word or phrase.
Bill of Materials
A comprehensive list of raw materials, components, and assemblies required to construct, manufacture, or repair a product or service.
Q22: The correct scientific notation for 147.8 ×
Q24: Magnesium is the element that appears in
Q45: Which element would have a similar chemical
Q47: How many significant digits are there in
Q72: 1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>1</sup>3p<sup>3</sup><br>A)Excited State<br>B)Ground State<br>C)Impossible State
Q79: Mg<sup>2+</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>
Q80: acetic acid<br>A)weak acid<br>B)strong acid
Q108: The ion P3- is named phosphate.
Q123: Twice as many hydrogen atoms than oxygen
Q223: Carbon may have a +4 or -4