百度试题 结果1 题目11 Which of the following element has an isotope that does not contain neutrons?C A neon B. helium C hydrogen D nitrogen 相关知识点: 试题来源: 解析 C 反馈 收藏
These different atoms of the same element have the same number of protons but different number of neutrons in the nuclei. They are called isotopes of the element. An atom with a particular number of protons and neutrons is also called ...
Which of the following subatomic particles has the smallest mass? a. a neutron b. an electron c. a proton Structure of Atoms: Atoms are made of a nucleus that contains protons and neutrons. Protons are positively charged and neutrons have no charge. Outside ...
An atom is the smallest particle of an element that has all the characteristic properties of that element. An atom consists of a centrally located nucleus and three types of subatomic particles known as electrons, protons, and neutrons. ...
Which of the following is true regarding a nuclear fusion reaction ? View Solution Which of the following is based on the principle of nuclear fusion? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...
To determine which element has a ratio of number of protons to number of neutrons equal to 1:1, we will analyze the given options step by step.Step 1: Understand the Definitions - Number of Protons (p): This is
Which of the following may be representative of science?2020年10月，某企业发生业务如下：报经批准结转无法查明原因的现金溢余2 000元；盘盈生产设备一台，重置成本为60 000元；出售厂房一栋确认净收益150 000元。不考虑其他因素，2020年10月该企业确认的营业外收入金额为（ ）元。
It releases great amount of energy. The neutrons that are released in fission produce fissions in other atoms. This is known as a chain reaction. On 2nd December 1942 Enrico Fermi and his colleagues produced the first controlled nuclear chain reaction. Since then atomic energy has been used ...
The oxidation number is very important for naming compounds. The oxidation number is also known as the oxidation state. It states the number of electrons an element shares in an atom. It is also defined as the charge of an ion. The oxidation number is used in REDOX reactions. ...
FollowingFlaubert’s footsteps, the Questioner, a DIY enthusiast, aims a paradox: writing on an invisible subject within a philosophy of presence that basically says something is there to witness it. Given thatnothingnessis thenegative formof something in the absence of that something, one can on...