What is the chemical symbol for potassium?A) PoB) PtC) KD) Ka 相关知识点: 试题来源: 解析 C 题目问的是钾(Potassium)的化学符号,需从四个选项中选出正确的。 1. **选项A (Po)**:Po代表钋(Polonium),由居里夫妇发现,与钾无关。 2. **选项B (Pt)**:Pt是铂(Platinum)的符号,用于贵金属...
An atomic cation with a charge of +1 has the following electron configuration: (Ar) 4s^2 3d^{10} 4p^1. What is the chemical symbol for the ion? What does the atomic number of an element indicate? Which of the following atoms has the most valence electrons? a) N...
Platinum (Pt) is a chemical element with atomic number 78, located in Group 10, Periodic Table, Period 6. Platinum is a very heavy, precious, silvery-white metal that is soft and ductile, has a high melting point, and has good resistance to
An atomic cation with a charge of +1 has the following electron configuration: (Ar) 4s^2 3d^{10} 4p^1. What is the chemical symbol for the ion? What is the electron configuration of a ground-state Fe2+ ion? What is the electron configuration for Co?
What is the chemical symbol for iron? What number should your iron count be? Why is iron described as an element? What is the classification of manganese? What is the atomic number of iron? What is the mass number of iron? What kind of substance is sulfur and iron?
Platinum is a naturally occurring chemical element that is actually about 30 times rarer than gold, according to Jenny Luker, president of Platinum Guild International USA (PGI), a marketing organization for the platinum jewelry industry. "If all the platinum ever mined were melted and poured int...
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Platinum is a chemical element, precious metal, and commodity that manufacturers use primarily for jewelry, electronics, and automobiles. It appears on the periodic table of elements by the symbol Pt and atomic number 78.1 Platinum futures are commodities contracts traded on the CME'sCOMEXfutu...
Platinum A trademark for a certification indicating that a recording, such as an album of music, has sold a million copies. Titanium A chemical element, atomic number 22; it is a strong, corrosion-resistant transition metal, used to make light alloys for aircraft etc. Platinum Symbol Pt A ...