Which of the following isotopes would you expect to emit a beta particle during a radioactive decay? 1. Cd-105 2. Ag-80 3. Th-201 4. Al-26 What element has 16 neutrons and a mass number of 31? The element hydrogen has three naturally occurring isotopes H^1, H^2, H^3...
What element has 53 protons and 74 neutrons? A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it? If an element has 80 protons and 200.56 mass number, then the number of neutrons will be ___. Which element has 1...
To determine which of the given symbols are not acceptable, we need to analyze each option based on the standard notation for representing elements in chemistry. The standard notation includes the element's symbol, the mass number (A) as a superscript
1, is constructed of a plurality of cubeshaped graphite blocks, and each block has a coolant tube passage 24 and fuel passages 26 parallel or perpendicular to the coolant tube. The fuel element is placed in an atmosphere of carbon monoxide, helium or nitrogen and is contained in containers ...
Stability increases with the number of neutrons. Answer and Explanation: a) Fe has 26 protons and 26 neutrons. b) H has 1 proton and 0 neutron. c) U has 92 protons and 141-146 neutrons. d) Element 109 has...Become a member and...
Consider the element Au (Atomic Mass = 197). How many protons, neutrons, and electrons does a neutral atom have? Which subatomic particle has no charge? a. proton b. neutron c. electron Consider a neutral atom with 69 protons and 80 neutrons. What is the atomic number...
How many 3d electrons are found in the below element? nickel, Z = 28. A monatomic ion has a charge of +1. The nucleus of the ion has a mass number of 85. The number of neutrons in the nucleus is 1.30 times that of the number of ...
An element that has the electron configuration (Ne)3s2 is in the group: a. 2. b. 5. Identify the shell, subshell, and number of electrons for the following: (a) 2p^3. (b) 4d^9. (c) 3s^1. (d) 5g^{16}. An ion has 18 protons, 19 neutrons, and 19 electro...
An ion contains 12 electrons, 14 protons, and 14 neutrons. a) What is its charge? b) What element is it? Every atom has what total charge? a. 0 b. +1 c. -1 d. depends on the number of shells Which of the following will usually give away ...
An element can have more than one type of atoms. 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 parti...