Atoms of the same element but with a different number of neutrons are referred to as {Blank}. The mass number of an atom depends primarily on the number of a. protons and neutrons. b. positrons. c. neutrons and electrons. d. ...
What is the atomic number of an element with 6 protons, 7 neutrons and 6 electrons? What is the atomic number of an element with 9 protons, 10 neutrons and 8 electrons? A) 10 B) 19 C) 9 D) 28 What is the atomic number of an element with 8 protons, 9 neutrons, and 8 electrons...
X is an element with mass number 13 and atomic number 6. (a) What is element X ? (b) How many protons does X has? (c) What is it Newton? An atom has an atomic symbol of No and mass number of 261. Determine its atomic number, protons, neutrons, electrons, and atomic mass....
The total number of protons and neutrons in the nucleus of an atom is called the mass number. For example, the mass number of a carbon atom with 6 protons and 6 neutrons in its nucleus is 12. Isotopes Although all atoms of an element have the same number of protons in their nuclei, ...
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
Number of isotopes: 15 total; two stable isotopes, which are atoms of the same element with a different number of neutrons. Most common isotopes: carbon-12 (6 protons, 6 neutrons and 6 electrons) and carbon-13 (6 protons, 7 neutrons and 6 electrons) How carbon forms: From stars to lif...
ICSEC - Grade 09 - CHEMISTRY - Atomic Structure And Chemical Bonding - Q23
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...
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