What do you mean by Carbon atoms ?

Q: 4. What is a chemical formula? List some examples

A: Introduction: Introduction: Compounds are formed by the combination of two or more elements in a…

Q: 2. Define these terms and explain why these names are used for of elements: a. Family

A: Element  are  the pure substance consisting only of atoms  and  elements cannot  be broken down into…

Q: Write the correct chemical formula.

A: Answer 4. a) HCl(aq) + NaOH (aq) --------> NaCl (aq)+ H2O b) BaCl2 (aq) + AgNO3 (aq) ------>…

Q: How many atoms of neon are present in 1.30 moles of neon?

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Q: Molecule I Molecule J Molecular Formula

A: To Solve this problem we have to write the molecular formula of given molecules .

Q: Determine the number of N atoms in a sample of C7H5(NO2)3 that has the same number of O atoms as…

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Q: Who discovered the noble gas argon?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: Is it possible for 2 Carbon atoms to have different mass numbers? How?

A: Yes, it is possible for 2 Carbon atoms to have different mass numbers.

Q: Which elements make up about 99% of the mass of living things?

A: Elements are very important for the maintenance of biological life. For example sodium and potassium…

Q: Calculate the number of atoms in sample. 14.955 g Cr

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: What is atomicity

A: Atomicity is a term which is used to represent the number of atoms present in any molecule or…

Q: what is the chemical symbol for Be

A: Chemical symbol is the short form of any element or functional group. Chemical symbols contains only…

Q: Explain why atomic masses are not whole numbers.

A: The atomic masses are an important quantity of each element. Each element of the periodic table will…

Q: How many hydrogen atoms are there on the carbon atom labeled "B"?

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Q: What do you mean by Atoms? Define the Periodic Table ?

A: There were different beliefs about the nature of matter: In the 6th Century B.C. in India, an Indian…

Q: How many moles of aluminum do 6.00*10^24 aluminum atoms represent?

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Q: Question 31 of 48 Submit What is the relationship between the two molecules shown below? A) They are…

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Q: ny carbon atoms

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Q: name the compounds shown below

A: Given : We have to write the name of the given compound.

Q: What are the atomic models, explain the most modern one

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Q: How many moles of aluminum do 3.7x10^24 aluminum atoms represent?

A: The number of units (maybe atoms, electrons, or ions) present in 1 mole of any substance is…

Q: can a molecular formula represent different structures or molecules?

A: Yes a molecular formula can represent different structures or molecules. And those different…

Q: What is the chemical formula for sodium sulfate

A: An atom or a molecule having a net electrical charge is known as atom. Charge of the electron is…

Q: How did John dalton  describe the way compounds are formed?

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Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

Q: Show the difference between a molecular formula and a structural formula.

A: The molecular formula is just each element of the molecule and the number of each of these elements,…

Q: Where do elements get their names?

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Q: 24. Explain When do you use parentheses in writing a chemical formula?

A: The answer is explained below.

Q: Differentiate between organic and inorganic compounds?

A: Compounds are formed when two or more elements are combined to form products and they are combined…

Q: The picture shows the structures of two compounds. The two compounds have similar chemical…

A: The organic compounds which contain -OH group and has the general formula CnH2n+1OH are regarded as…

Q: What is the Principle of Constant Proportions?

A: Principle of constant proportion is also known as as law of definite proportion. It says that the…

Q: What is a space-filling molecular model?

A: A Space-filling molecular model has to be defined.

Q: What could the chemical formula of the molecule be?

A: Electrostatic potential map illustrates the three dimensional distribution of charge of a molecule.

Q: How many π electrons does C contain?

A: The given compound is,

Q: What is the mass number of Hg from the periodic table?

A: Answer:- Mass number:- It is defined as the total number of proton and neutron or can be defined as…

Q: What do you mean by Ionic Compounds ?

A: In ionic bond transferring of electron between a metal and non metal occurs.

Q: What is the difference between inorganic compounds and organic compounds?

A: Inorganic compound: 1.) Most inorganic compounds does not contain carbon atom. 2.) Inorganic…

Q: Discuss and explain why carbon is an unusually important element.

A: Carbon is very important element as when it combines with Oxygen atom forms CO2 which we breathe out…

Q: How many electrons are necessary to produce a charge of -1.0 C? What is the mass of this many…

A: SOLUTION: Step 1: An electron has a charge of -1.6 ×10-19 C. The no of electrons necessary to…

Q: How are ionic compounds named?

A: Ionic compounds are formed from the reaction between metals and non-metals. They are held together…

Q: What is the formula for carbon tetrachloride ?

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Q: Consider the following example. How should it be named?

A: The given compound has a parent chain of 5 'C' atoms. Thus the name of the parent chain of the…

Q: What are polyatomic ions and how are they named?

A: Polyatomic ions are complex ions. It consists of more than one atom. Their atoms are covalently…

Q: Which of the following atomic symbols is incorrect? a) 16C14 b) 32P15 c) 39K19 d) 17 e) N14

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Q: The number of protons, neutrons, and electrons in a nucleus of Br-80 is

A: The nucleus given is Bromine, Br-80.

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.