Could you give me an idea of the illustration or drawing, a summary of what you learned about atoms, Seven Major elements in living systems, Chemical bonding, water and its unique characteristics, Acids, and Bases, carbon dioxide?

Q: Give some examples of metals and nonmetals?

A: Some examples of metals and nonmetals have to be given below.

Q: Silicon has three naturally occurring isotopes (Si-28, Si-29, and Si-30). The mass and natural…

A: Isotopes are the atoms which have same atomic number and different mass numbers. Isotopes of an…

Q: Where have you seen elements, atoms, ions, etc in real life? Where did you see them and what were…

A: Elements present in the periodic table can be seen all around us in our day to day life.  Elements…

Q: Explain about the Indivisible: The Atomic Theory

A: The “indivisible: the atomic theory” was proposed and put forward by English chemist Dalton.…

Q: In the following drawing, the green spheres represent atoms of a certain element. The purple spheres…

A: In the given chemical change, the starting materials consist of four green spheres and two purple…

Q: How did they describe atoms in around 450BC?

A: Democritus was the first person to give the concept of the existence of an 'atom'. He was a Greek…

Q: How does Chemistry provide a background for understanding the properties of matter in terms of…

A: To explain the structure of atoms, avrious philosphers and scisnitists proposed a number of theories…

Q: All the chemical elements may be derived from which single element?

A: All the chemical elements may be derived from one single element. That has to be given below.

Q: Which symbol represents the atom having 28 protons and 34 neutrons in its nucleus?

A: Atomic number: The atomic number (represented by the letter Z) of an element is the number of…

Q: What is Joseph Proust contribution atomic theory?

A: He first published his Law of Definite Proportions (or Law of Constant Composition). The essence of…

Q: 1. Models come in many forms including physical, 2-dimensional, conceptual, computer, and…

A: Given: Two dimensional models, conceptual, computer and mathematical models To find: scientist use…

Q: Use triangles to represent atoms of element A and circles to represent atoms of element B. Draw an…

A:

Q: Explain John Dalton and the Atomic Theory?

A:

Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?

A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…

Q: What do you think is the importance of the discovery of subatomic particles and the studies of…

A: Anything that occupies space and has mass is called matter. An atom is the smallest unit of matter.…

Q: Approximately how many elements are listed in the periodic table? How many can be found in nature?…

A: Periodic table of elements is arrangement of elements in tabulated form. In this, the elements are…

Q: Where on the periodic table are the most nonmetallic elements found?

A: Elements that gains electrons and form their respective anion are known as non-metals.   Seventeen…

Q: 2.1. In the following drawing, the green spheres represent atoms of a certain element. The purple…

A: Hey there thankyou for the question.    By law of constant proportion all samples of a pure compound…

Q: what philosophy you believe, the atomism or the natural elements? Why?

A: Atomism Is a philosophical concept. It propose that physical univers is composed of invisible…

Q: What are isotopes? What is the percent natural abundance of isotopes?

A: Isotopes are stable as well as radioactive in nature.

Q: The most abundant isotope of Hydrogen has a mass of 1 amu.  Therefore, the average atomic mass on…

A:

Q: Describe the Millikan oil drop experiment in 50 words or more, especially it'a process. What…

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Q: Which is a compound? A. A piece of pure zinc metal B. A molecule made of nitrogen and oxygen C. An…

A: Compound: A molecule consisting of two different elements is called compound

Q: Explain how Dalton’s atomic theory offered a convincing explanation of the observation that mass is…

A: The parameter by which Dalton's atomic theory provided appropriate explanation of observation that…

Q: Summarize the history of thedevelopment of atomic theory,beginning with Dalton

A: Every matter is made up of atoms. The theory we study today took a long time for its discovery. The…

Q: the history of the discovery of hydrogen and what properties they observed to identify it

A: Position of hydrogen in periodic table:   Hydrogen is regarded as rogue / disputable element because…

Q: Magnesium constitutes about 2% of Earth’s crust and has three naturally occurring isotopes. Suppose…

A:

Q: . Investigate the history of the discovery of chemical elements. What was the most recent element to…

A: History of the discovery of chemical elements: The discovery of the 118 chemical elements known to…

Q: use models to study atoms?

A: Atom is defined as the basic building block of matter. All matters in any form either solid ,liquid…

Q: The atomic theory states that all matter is made of atoms. These atoms are made of subatomic…

A: Matter is made up of atoms.  Atom contains particles like electron, proton and neutron. Proton and…

Q: Describe what you think happens on an atomic scale when you push a pencil across a piece of paper…

A:

Q: explain how the development of the Atomic Theory illustrates the Nature of Science. Support your…

A: It is asked to explain the development of atomic theory illustrating the nature of Science.

Q: C. Magnesium and fluorine: D. Aluminum and chlorine: E. Beryllium and nitrogen

A: We can form chemical formula of ionic compound by criss-crossing the valencies of ions.

Q: Summarize the history of the atomic idea?

A: Greek philosophers. Leucippus and Democritus put forward the idea of atoms as far back as the fifth…

Q: A jewelry company has announced that they have created gold from reacting copper and carbon in a…

A: Dalton is the name of the scientist who gave Dalton's atomic theory.

Q: d. Sulfur trioxide, SO, e. dinitrogen tetroxide, N,O, f. Chlorate, CIO," (one chlorine and three…

A: The species given are SO3, N2O4 and ClO3-.

Q: True or false is an atom is the smallest building block of matter

A: False

Q: Are you satisfied knowing that man can recreate an element using technology? Justify your answer​

A: The term "man-made elements" refers to substances that do not occur naturally on the earth.  A new…

Q: What are the atomic models

A:

Q: What is modern Atomic Theory?

A: Given term, Modern atomic theory Atom - a fundamental particle of matter (i.e. anything that can be…

Q: Assume you have a pure sample of chemical element. Based on the characteristics below, what…

A:

Q: some chlorine atoms have an atomic mass of 37, while others have an atomic mass of 35. What is the…

A: The mass number of an atom is the sum of proton and neutrons present in that atom.  Mass number =…

Q: 60. Silicon has three naturally occurring isotopes (Si-28, Si-29, and Si-30). The mass and natural…

A: For isotopes , total abundance of all isotope in total is 100% . So we can use given abundance of…

Q: In your own words, explain Why do scientists use models to study atoms? In your own words, explain…

A: Atoms are the smallest part to which elements are divided. Or we can say defining structure of…

Q: Complete the following information. If necessary, use the periodic table. Nuclear symbol =  Charge =…

A: Number of protons in an atom serves as identity of an element. number of protons in the nucleus is…

Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

A: There are only two isotopes of chlorine is present. Chlorine- 35 and chlorine -37  Mass of…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.