Examlex
How many valence electrons are in the nitrate ion?
Belt
A flexible band or strap, typically made of leather or cloth and worn around the waist, to support or hold in clothing, carry weapons, or serve as a fashion item.
Shoes
Footwear items designed to protect and comfort human feet while offering support for various activities.
Lungs
Paired respiratory organs situated within the thorax of mammals and many other organisms, essential for breathing and exchanging oxygen and carbon dioxide.
Heart
A muscular organ in most animals, which pumps blood through the circulatory system by rhythmic contraction and dilation.
Q11: Vitamin C is a water-soluble vitamin,so it
Q19: What is the electron configuration for P?<br>A)[Ar]3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>10</sup>4p<sup>3</sup><br>B)[Ne]1s<sup>2</sup>1p<sup>6</sup>2s<sup>2</sup>2p<sup>3</sup><br>C)[Ne]3s<sup>2</sup>3p<sup>3</sup><br>D)[Ar]3s<sup>2</sup>3p<sup>3</sup><br>E)none
Q21: What is the equivalent pressure of 968
Q29: How many atoms are in 1.50 moles
Q33: A certain volume of gas was confined
Q56: What is the molecular weight of a
Q67: How many atoms are in 15.6 grams
Q84: Which of the following is NOT true?<br>A)The
Q86: The orbital diagram for fluorine shows 1
Q99: Bauxite is an ore that contains the