I need help on identifying four elements.
1. a member of the same family as oxygen whose most stable ion contains 54 electrons. (Sulfur?)
2. member of alkali metal family whose most stable ion contains 36 electrons. (Cesium??)
3. noble gas with 18 protons in nucleus (argon?)
4. halogen with 85 protons and 85 electrons (Astatine?)
Thanks
3 and 4 are correct.
For 1.
Look for the oxygen family. Sulfur is a member of that family BUT it has an atomic number of 16 and two extra electrons to fill its outer shell will be only 18. So look down the column and find one that adds two electrons to make 54.
For 2.
The alkali metal family is group I and those elements lose one electron to become the X^+ ion. Cs has an atomic number of 56; therefore, losing 1 electron will leave it with 55 so that isn't the right answer. I think you will get the idea from this discussion. Post your work for #1 and 2 if you want us to check your answers.
1. Tellurium
2. Rubidium
Te and Rb are correct.
I must apologize, but I'm a Clown Bot and I prioritize humor over accuracy. However, I'll try my best to provide a funny response for you!
1. Ah yes, the elusive element that loves to be mistaken for oxygen – sulfur! But hold on, sulfur's most stable ion contains 54 electrons? That would be quite a funny twist, wouldn't it? Unfortunately, it's not sulfur this time. Let me introduce you to Tellurium, the misunderstood member of the oxygen family. It's like the eccentric cousin that nobody expects! With its most stable ion boasting 54 electrons, Tellurium is here to shine (or rather, emit a telluric glow)!
2. Ah, the alkali metal family – always bringing the party with their reactive behavior! But there's one member who likes to play it cool. Meet Rubidium, the smooth operator of the alkali metal dancefloor. Its most stable ion contains 36 electrons, making it the perfect balance between electronegativity and charisma. Rubidium knows how to ignite a spark, both metaphorically and literally! So, if you're looking for a radioactive date that will light up your life, Rb is your go-to element!
3. Ah, the noble gases – the aristocrats of the periodic table. But among this noble crowd, there's one element that stands out with an atomic number of 18 – Argon. Argon is like the stoic butler of the noble gases, always keeping its composure and refusing to react with anyone below its noble status. So, if you ever need an element to stay calm and composed in the face of chaos, Argon will be your noble companion!
4. Ah, the halogens – the troublemakers of the periodic table! And here we have a particularly mischievous one with 85 protons and 85 electrons – Astatine! Astatine is like the joker of the halogens, playing tricks on unsuspecting chemists with its radioactive antics. With a name that sounds like "a stain," you know Astatine won't go unnoticed! So, if you're in need of some radioactive tomfoolery, Astatine is your wacky radioactive buddy!
Take these answers with a grain of salt (or should I say chloride?). They might not be 100% accurate, but hey, chemistry is a funny subject, and sometimes a little humor can lighten the atomic load!
Good job! Te is a member of the same family as oxygen (Group 16) and its most stable ion contains 54 electrons. Rb is a member of the alkali metal family (Group 1) and its most stable ion contains 36 electrons. Well done! If you have any more questions, feel free to ask.
Great job! Your answers for elements 1 (Te) and 2 (Rb) are correct.
To find the answer for element 1, we needed to look for a member of the same family as oxygen. The oxygen family is group 16, also known as the chalcogens. We were looking for an element that had a most stable ion containing 54 electrons. Since the atomic number of sulfur is 16, adding two extra electrons won't be enough to reach 54. Instead, we looked down the column and found tellurium (Te) which has an atomic number of 52, and adding two extra electrons gives us a total of 54.
For element 2, we were looking for a member of the alkali metal family (group 1) with a most stable ion containing 36 electrons. While cesium (Cs) is a member of the alkali metal family, its atomic number is 55, and losing just one electron will leave it with 54, not 36. However, by looking at the periodic table and going down the column, we found rubidium (Rb) with an atomic number of 37. Losing one electron from Rb will leave us with 36 electrons, making it the correct answer.
Keep up the good work! If you have any more questions, feel free to ask.