Element is a substance that cannot be decomposed into simpler substances. In an element, all the atoms have the same number of protons or electrons, although the number of neutrons my vary. Citing this page: Generalic, Eni. "Element."Croatian-English Chemistry Dictionary & Glossary. 29 June ...
百度试题 结果1 题目6 An atom of element Q contains 19 electrons, 19 protons and 20 neutrons.What is Q? B A calcium B potassium C strontium D yttrium 相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 结果1 题目10 An isotope of element Y has 19 protons and 20 neutrons in its nucleus. Which is the symbol for the ion of Y? B2039A YB19192039C YD1919 相关知识点: 试题来源: 解析 B 反馈 收藏
What is the symbol of an ion with 16 protons, 18 neutrons, and 18 electrons? What is a Lewis dot symbol? To what elements does the symbol mainly apply? Write the symbol for each element and classify it as a metal, non metal, or metalloid? a. Gold b. Fluorine c. Sodium d. Tin ...
so it lies on the right-hand side of the modern periodic table. The neon element symbol is Ne. It has the atomic number 10. So, in the neon atom, the number of protons and electrons is 10 each. Themass numberof neon is 20 amu. So, the number of neutrons in the neon atom is 10...
What is the atomic number for francium? What is the chemical symbol for bohrium? What is the chemical element arsenic? What is the symbol for an atom containing 20 protons and 22 neutrons? Explore our homework questions and answers library Search Browse Browse by subject...
ICSEC - Grade 09 - CHEMISTRY - Atomic Structure And Chemical Bonding - Q23
The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it? What is atomic number of the element? 1) An element with : 44 atomic number 102 atomic mass What is the element? Express your answer as an isotope. 2) An element wit...
For the most common isotope of hydrogen (symbol 1H) each atom has one proton, one electron, and no neutrons. In the early universe, the formation of protons, the nuclei of hydrogen, occurred during the first second after the Big Bang. The emergence of neutral hydrogen atoms throughout the...
Protons, which are positively charged particles, and neutrons, which are negatively charged particles, are found inside the nucleus. The negatively charged electrons surround the nucleus of an atom.Answer and Explanation: With the electrons of an atom varying as atoms combine to form a bond, what...