Silicon (Si) is the second most common element in the Earth's crust (oxygen is the most common). The compound silica, also known as silicon dioxide (SiO 2), is formed from silicon and oxygen atoms. Since oxygen and silicon make up about 75% of the Earth, the compound silica is quite common.ilicon (Si) is the second most common element in the Earth's crust (oxygen is the most common). The compound silica, also known as silicon dioxide (SiO 2), is formed from silicon and oxygen atoms. Since oxygen and silicon make up about 75% of the Earth, the compound silica is quite common.
Losing one's Mother is a painful experience. Send comfort to your friend or family member with this lovely sympathy card for the loss of a mother / mom. This image is one of hope, showing the silhouette of a woman with outstretched arms, greeting the sunrise. The hint of a rainbow encircles the figure and the shape of a cross stands alongside her.
What Not to Say. Avoid words such as âmust,â âshouldâ or âneed to,â suggests The Wall Street Journal article. Donât say, âI know how you feel,â even if you have lost a parent, because everyone is different. Donât tell your friend how she ought to feel or what she ought to do.Allow her to decide how she will process her fatherâs death.oncern and Support. You can always express your concern and support for your friend. Ask if you can run errands or help out with chores while your friend sits with her dad, suggests the Harvard Medical School website. Only offer to do things you are really willing to do.