By the time he had gotten to the very last page of the book, both children were completely out. Mark leaned back delicately to place the book on the floor. Mabel stirred, but simply pressed herself closer to Mark as he brought his arm back around to hold her close. Will was completely passed out in Bridgetâs arms, his mouth slack and hair mussed.
it's an element that can form a molecule with one other atom of that element. the element exists in molecules made up of two atoms hence the 'di' in diatomic. There are seven elements like this: hydrogen, oxygen, chlorine, iodine, bromine, fluorine, nitrogen! It is an element that is found bonded to itself naturally.
Diatoms are single-celled organisms which secrete intricate skeletons. These may be elongate, with a bilateral plane of symmetry, or they may be round and radially symmetrical. Many diatoms are slightly asymmetrical, though they generally fall into one of these two categories. The Bacillariophyta are the diatoms.