The mass number of argon is 40.How many protons, neutrons and electrons are there in an argon atom? ( ) 相关知识点: 试题来源: 解析 一个氩原子有 18 个质子、22 个中子和 18 个电子。 1. 原子序数: 氩的原子序数为 18,这意味着它的原子核中有 18 个质子。 2. 质量数: 氩的质量数为 40...
How many neutrons does fermium have? What is the number of neutrons in Se? How many protons, electrons, and neutrons are in Hydrogen-3 atom? How many neutrons does berkelium have? How many neutrons does dubnium have? How many protons, neutrons, and electrons are there in an atom of O-...
Elements are classified by the number of protons in the nucleus of the atom. However, there is no set rule for how many neutrons can be in the atom's nucleus. Because this number can vary, we classify the different, naturally occurring, variations of neutron quantities as isotopes of the ...
Most atoms are stable. Their protons, neutrons and electrons balance. Barring outside forces, a stable atom will stay the same indefinitely. Isotopes Every atom is a chemical element, like hydrogen, iron or chlorine. Every element has cousins called isotopes. These have a different number of ne...
A display of a Homo erectus family in Java. Potassium-argon, then argon-argon dating confirmed Homo erectus was present in Java 1.8 million years ago, upsetting the ideas of a number of archeologists. Analysis of volcanic pumice inside a skull allowed the skull’s age to be found.(7)Image...
What is argon (element 18), is it a solid, liquid, or gas, what is its symbol, molar mass, how many electrons, protons, neutrons does it have, its fun facts
What is the mass number of argon? How many protons does argon have? What is the molar mass of argon? How many neutrons are in argon? What is potassium-argon dating used for? What state of matter is argon? What is the electronegativity of argon?
Argon is one of the 118 known chemical elements. It's commonly used in lightbulbs and during welding. Argon has an atomic number of 18, which indicates that it there are 18 protons in the nucleus of one atom of argon. Answer and Explanation:1 ...
Select the correct answer. Which of the following elements makes up the majority of Earth's atmosphere? a. Oxygen b. Hydrogen c. Argon d. Nitrogen Elements in the atmosphere Although the Earth's atmosphere contains a lot of ...
What is the group number of carbon? Which groups on the periodic table are metals? What kind of group 1 atoms are the most reactive? Is argon a pure substance? What is tellurium used for? How many valence electrons are in a neutral atom of argon? What is the density of argon gas (...