The atomic number of an element is the number of protons in the nuclei of its atoms. If the atom is neutral, it is also the number of electrons.
From the periodic table, you can learn about the properties of elements such as atomic number, atomic mass, electron configuration, and chemical reactivity. It helps to predict an element's behavior, its relationships with other elements, and its physical and chemical properties. Additionally, the periodic table can provide insights into an element's classification as a metal, nonmetal, or metalloid, among other characteristics.
I don't understand why people are making us learn way more than we need to - Education is so important, school is so important. But, Why are people making everything so complicated? It's like people are spending so much time on CREATING and FINDING new things for us to learn that aren't going to really matter later on. How come we never really learn things that involve life in general? I mean, when are we really going to go in some where; say a store and say "y= 2 X 4 and give me my x change back please." It's necessary to know how to read and write. It's necessary to know how to multiply and divide. A lot more things are necessary but solving systems of equations are not. A lot of the things we learn in school are not essentials to succeed in life. We need to learn more about Jobs, Choices, etc. Basics are essential. Further detailing with things are essential but doing things that have absolutely no relation with the things we will be doing when we are older, are not. I'm tired of questions like this one. I'm tired of questions like those. It's important to know things, but not every little thing about every little thing. I'm tired of people making things way more complicated that they are. Lets learn. Lets learn about life, how to live it right, things that will help us later on, things we NEED to know. Not things to stall our time.
Yes, this is essentially correct. In alpha decay, atomic number goes down by two. Beta decay comes in two types, and in beta plus decay, atomic number goes down by one, and in beta minus decay, atomic number goes up by one. In each case, nuclear transformation has occurred, and a new element appears in the place of the element that began the transformation. Use the links below to related questions to learn more.
PotassiumThe number of protons in an atom will always be the same as the atomic number, by which the periodic table is organized. So figuring out how many protons an atom has just becomes an exercise at reading the table. In this case, potassium has an atomic number of 19. If the particle is specifically an atom, then it will be neutral and the number of electrons will balance the number of protons exactly, 19 also. The number of neutrons will differ depending on the isotope - atoms of the same element with different numbers of neutrons. Potassium has three isotopes, the most common in nature being 39K with 22 neutrons.See the related question below which gives instructions on how to find the number of subatomic particles in an atom or ion based on given information.
Sn (tin) has an atomic number of 50, which indicates there are 50 protons in its nucleus. If the atomic mass is 118, then the number of neutrons is the difference between the two numbers, or 68 neutrons.
protons,neutrons,electrons, and the element name
The number of protons in its nucleus, the number of electrons it has and its name.
Atomic mass is found on the periodic table as the weighted average of all isotopes of an element. Atomic number is also found on the periodic table and represents the number of protons in an atom's nucleus. You can use the periodic table to easily find both atomic mass and atomic number for each element.
you can learn if its a metal nonmetal or matalloid (aka semmimetal) you can learn the elements atomic number and you can learn what the chemical symbol is for that particular element (eg: Hydrogen would be "H" on the periodic table you will see the atomic number witch is 1 and if its a nonmetal metal or metaloid and hydrogen is a non metal hope this helps you out \m/ ([-_-]) \m/
From the periodic table, you can gather information like the atomic number (number of protons), atomic mass, electron configuration, and chemical symbol of an atom. Additionally, you can learn about the element's group (column) and period (row), which can give insights into its properties and reactivity.
Of course if you know the atomic number of an element you can look up the name of the element and then find out everything there is to know about that element and its compounds from various reference works. But I don't think that's what you're asking.If you know the atomic number then you know the number of protons in the element's atom's nuclei. More importantly, from the standpoint of chemisty, you know the number of electrons in each atom. This is not especially interesting in itself. However, given a knowledge of how electrons arrange themselves in orbitsor shells it is possible to work out how an atom will be most likely to interact with other atoms chemically. In essence the periodic table offers a summary.
To find the number of neutrons, subtract the atomic number from the atomic mass of the element. The atomic mass of an element accounts for both protons and neutrons in the nucleus. The atomic number represents the number of protons, so the difference will give you the number of neutrons.
This is a homework assignment. It has been given to you to research and think out so that you will learn about and understand how the periodic table works.WikiAnswers will not do your homework for you because of this.If however there is some specific question you do not understand relating to your research about the periodic table, WikiAnswers will be happy to answer this specific question.
From the periodic table, you can learn about the properties of elements such as atomic number, atomic mass, electron configuration, and chemical reactivity. It helps to predict an element's behavior, its relationships with other elements, and its physical and chemical properties. Additionally, the periodic table can provide insights into an element's classification as a metal, nonmetal, or metalloid, among other characteristics.
I don't understand why people are making us learn way more than we need to - Education is so important, school is so important. But, Why are people making everything so complicated? It's like people are spending so much time on CREATING and FINDING new things for us to learn that aren't going to really matter later on. How come we never really learn things that involve life in general? I mean, when are we really going to go in some where; say a store and say "y= 2 X 4 and give me my x change back please." It's necessary to know how to read and write. It's necessary to know how to multiply and divide. A lot more things are necessary but solving systems of equations are not. A lot of the things we learn in school are not essentials to succeed in life. We need to learn more about Jobs, Choices, etc. Basics are essential. Further detailing with things are essential but doing things that have absolutely no relation with the things we will be doing when we are older, are not. I'm tired of questions like this one. I'm tired of questions like those. It's important to know things, but not every little thing about every little thing. I'm tired of people making things way more complicated that they are. Lets learn. Lets learn about life, how to live it right, things that will help us later on, things we NEED to know. Not things to stall our time.
Yes, this is essentially correct. In alpha decay, atomic number goes down by two. Beta decay comes in two types, and in beta plus decay, atomic number goes down by one, and in beta minus decay, atomic number goes up by one. In each case, nuclear transformation has occurred, and a new element appears in the place of the element that began the transformation. Use the links below to related questions to learn more.
PotassiumThe number of protons in an atom will always be the same as the atomic number, by which the periodic table is organized. So figuring out how many protons an atom has just becomes an exercise at reading the table. In this case, potassium has an atomic number of 19. If the particle is specifically an atom, then it will be neutral and the number of electrons will balance the number of protons exactly, 19 also. The number of neutrons will differ depending on the isotope - atoms of the same element with different numbers of neutrons. Potassium has three isotopes, the most common in nature being 39K with 22 neutrons.See the related question below which gives instructions on how to find the number of subatomic particles in an atom or ion based on given information.