百度试题 结果1 题目10 A compound has the formul a XF2 and has a relative mass of 70 C What is element X? A gallium B germanium C sulfur D ytterbium 相关知识点: 试题来源: 解析 C 反馈 收藏
What type of element is potassium? In other words, what is it classified as on the periodic table? Which element is an alkali metal? a. Li b. Be c. B Which of the elements in the following periodic table is an element with the outer configuration of d7s2. Which element w...
Gallium is a chemical element with atomic number 31. Know the Chemical Properties of Gallium, Gallium Uses, Atomic Mass, Melting Point and more at BYJU'S
Which of the following elements has the smallest atomic radius? a. Potassium b. Calcium c. Gallium d. Bromine Which of the following elements has the smallest atomic radius? a. nickel b. cobalt c. calcium d. potassium Which element forms the most compounds? Why?
irradiatedfuelelement irradiatedyeast irradiation growth irrationale zahl irra irreciprocal family irreconcilable a irredeemable issue me irregionist irregular adj irregular dominance irregular grain irregular incongruous irregularflow irregularities of tax irregularityindex irregularly irregular irregularmenstrualper ...
Gallium--A smart metal Gallium is a soft, silvery metallic element with an atomic number of 31 and the chemical symbol Ga. The French chemist Paul-Emile Lecoq de Boisbaudran discovered gallium in sphalerite (a zinc-sulfide mineral) in 1875 using spectroscopy. ...
LED lights are made from layers of semiconductor material (e.g., Gallium nitride or Indium gallium nitride) arranged in a particular fashion. When enough of a voltage difference is applied to this material, electrons are injected into the “n-type” side of the LED, while holes of electrons...
What is the first element on the periodic table? Hint: It has one electron! What are the 7 mystery elements on the periodic table? Which of the following elements is not a metal? a) Barium b) Gallium c) Argon d) Lead e) Tungsten ...
Semiconductor materials include – Silicon,antimony, arsenic, boron, carbon, germanium, gallium arsenide, selenium, silicon carbide, sulfur, tellurium, oxides of most metals. What is Superconductor? Superconductor is an element, inter-metallic alloy, or a compound that conducts electricity without resist...
are used in speakers, electric vehicle motors, and smartphones. Another element, gallium, is frequently found in semiconductors and LEDs, and tantalum and niobium are indispensable in producing capacitors and resistors.3Without these metals, it’s difficult to see how many advanced goods would have...