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...
5 B. How many neutrons are in an atom of Mg-25? 12 C. What is the mass number of an atom with 5 protons and 7 neutrons? boron D. When an atom is charged, it is called anion. How many electrons are in O2-? 6 E. How many electrons are in Mg2+? 10...
Isotopes are atoms of the same element with the same number of protons and a different number of: A. ions B. molecules C. electrons D. neutrons Because atoms can have the same number of protons but a different number of neutrons: a. elements...
The hydride ions (H^-) are isoelectronic with 01:13 Number of protons, neutrons and electrons in the element .89^231 Y is. 00:54 The charge of an electron is -1.6 xx10^(-19) C. The value of free char... 01:32 In which one of the following , the number of protons is greater...
From the given data, the corresponding elements and the number of each nucleons has to be found. Concept introduction: The smallest constituent of matter is atom. Each atom consist of subatomic particles called electrons, protons and neutrons. Protons and neutrons are p...
A plutonium atom is made up of positively-charged protons and neutrally-charged neutrons found in the central region of the atom called the nucleus. Negatively-charged electrons can be found outside the nucleus in the electron cloud. Plutonium can be found in different forms, or isotopes, ...
1 An atom of an element has an atomic number of 6 and a mass number of 12.(a)Using this information, complete the table to show the numbers of protons,neutrons and electrons in one atom of this element.(2)number of protons number of neutrons number of electrons(b)The Periodic Table ...
Thus, all atoms of a given element have the same number of protons, although most elements have several isotopes. These isotopes differ from each other in that the number of neutrons in the nucleus for each isotope is different. Hydrogen, for example, has two stable isotopes. Both isotopes ...
10 An isotope of element Y has 19 protons and 20 neutrons in its nucleus. Which is the symbol for the ion of Y?B A. ½{20}{0}x B ½{30}{3}Y* C $$ \begin{matrix} 2 0 \\ 1 9 \end{matrix} $$Y D. $$ _ { 1 9 } ^ { 3 9 } $$Y 相关知识点: 试题来源: ...
In physics, a fundamental element often refers to basic constituents of matter like electrons, protons, and neutrons, or to essential principles like force and energy. 12 What determines the unit used in a specific scientific measurement? The unit used in scientific measurements is determined by th...