"sciencing.com, https://www.sciencing.com/elements-make-up-air-breathe-8311042/. 13 March 2018. APA Stuart, Alasdair. (2018, March 13). What Elements Make Up The Air We Breathe?.sciencing.com. Retrieved from https://www.sciencing.com/elements-make-up-air-breathe-8311042/ Chicago Stuart,...
第1题 The two elements water is made are oxygen and hydrogen.A、that B、which C、of which D、with which 第2题 The crime was discovered till 48 hours later,gave the criminal plenty of time to get away.A、which B、that C、so D、what 第3题 The International Studies University,in 1951...
You probably know the element oxygen. It is the element that we b___in all the time. And elements can combine (结合) to make new things l___H2O. This is hydrogen and oxygen put together, also known as w___! Learning about these things helps us better understand the world we live ...
What elements make up the mantle? Answer and Explanation: The major elements that make up the mantle are oxygen, silicon and magnesium. However, it includes other elements like aluminum, iron, calcium,... Learn more about this topic:
Do you know what elements (要素) make people successful? Interviews and investigations indicate that there are several keys to success that successful people share. First of all, successful people never blame someone or something outside of themselves for their failure. They realize that their futur...
results in strong bonds with those elements called hydrogen bonds. Hydrogen bonds and hydrogen-carbon bonds are the basis of all carbohydrates like glucose. Hydrogen's placement in a glucose molecule is also important, as depending on its bonding sequence with carbon and oxygen, the hydrogen's pl...
From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 164? A. Carbon B. Oxygen C. Lithium D. Neon 1. How many elements are on the pe...
It does not easily corrode, which means that it doesn't break down easily when exposed to oxygen or water. This means that it can be used to make many useful objects because we don't have to worry that it will need to be replaced frequently. Zirconium pieces Because of this, ...
"Of 118 elements, the last thing I read was that 97% of our body's weight is just four elements," Steven Townsend, an organic chemist at Vanderbilt University, told Live Science. Those four elements areoxygen, carbon, hydrogen and nitrogen. So what, exactly, do these elements do?
Mixtureshave many of the properties of their constituents (e.g. the element 'oxygen' is part of the mixture 'air' and some of the properties of air are due to the oxygen part - but those properties are generally less strong / intense than those of pure oxygen because of the presence of...