Hydrogen is the most common element in the universe because it is the simplest element in the universe. A hydrogen atom has one proton, one electron and no neutrons, making it the lightest element. The larger an
1. What are the two most abundant elements in the universe? hydrogen and helium helium and oxygen oxygen and carbon hydrogen and oxygen 2. The most abundant element on Earth in terms of quantity of atoms is ___ and in terms of mass is ___. oxygen; iron iron; oxygen hydrogen...
Element Abundance in the Universe By Anne Marie Helmenstine, Ph.D. The chemical composition of Earth is quite a bit different from that of the universe. The most abundant element in theEarth's crustis oxygen, making up 46.6% of Earth's mass. Silicon is the second most abundant element (...
And while battery-powered vehicles have significant consequences for natural resources—particularly cobalt, nickel, and lithium—hydrogen is the most common element in the universe.Producing hydrogen, however, is costly, and at present fuel-cell vehicles are less commercially viable than EVs in most...
Step-by-Step Solution:1. Understanding Abundance: The term "abundant" refers to the presence of an element in large quantities compared to others. 2. Identifying Elements: In the univers
Most Abundant Element in the Universe Right now, the most abundant element in the universe is hydrogen. In stars, hydrogen fuses into helium. Eventually, massive stars (around 8 times more massive than our Sun) run through their supply of hydrogen. Then, the core of helium contracts, supply...
___ is the most abundant element in the universe, including the planet Earth.A.OxygenB.HydrogenC.NitrogenD.Carbon的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以
Hydrogen is the fundamental element of the universe ___ it provides the building blocks from which the other elements are produced. 问题1选项 A. so that B. but that C. in that D. provided that 相关知识点: 试题来源: 解析 [答案]C [解析]考查状语从句。句意:氢是宇宙的基本元素,因为它...
Hydrogen is the fundamental element of the universe ___ it provides the building blocks from which the other elements are produced. A. so that B. but that C. in that D. provided that 相关知识点: 试题来源: 解析 C 正确答案:C 解析:A. so that以至,以便,引导目的或结果从句; B.but that...
Diamond says that the SKA is often referred to as a “time machine.” When complete, SKA telescopes will be able to look further back in time than ever before, “We will be able to use radio telescopes to study hydrogen, the most common element in the universe, all the way back to ...