What elemnet is this according to the clue: It has chemical properties like carbon but 1 more shell of e-?

Q: Is Au the symbol for gold?

A: Aurum is tge latin word for gold.

Q: give the name of following element a)N  b)He

A: The name of the following elements are :

Q: how many proton electrons and neutrons are in neutral copper -63 Cu atom?

A:

Q: How do elements differ?

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

Q: the elements within group 13 have the same number of?

A: The required solution is as follows:

Q: State law of definite proportions.

A: Given: Law of definite proportions.

Q: Part D What is the formula for sulfurous acid? Express your answer as a chemical formula. • View…

A: *.Sulphurous acid is aacid as it donate proton

Q: Which of the following physical properties do you think would help you determine whether the shiny…

A: There are many properties which can be used to determine whether the shiny nugget is gold or not .…

Q: (1.3)(Question 42 on page 40) Which of the following represent(s)' homogeneous mixture'? (b) (c) O…

A: In a mixture in where the components of that particular mixture are uniformly distributed throughout…

Q: which combination of elements do we think would make a compound most

A: Out Of H2S and H2Se , H2S is more similar to water. Reasons include- S, Se and O belong to same…

Q: The 02- ion has how many protons and electrons?

A: Neutral oxygen atom atomic number is 8 that means, it has 8 protons and 8 neutrons in the nucleus…

Q: Which of the diagrams represents a gaseous element? 8. OK m ఇం

A: State of the matter (solid,liquid or gaseous) depends upon the extent of force of attraction present…

Q: what is the total number of atoms in 263 gram sample of Copper?

A: n=mass/molar mass n=number of moles 1 mole cu contains =6.023 ×1023 atoms

Q: Vhich postulate(s) of Dalton's atomic theory of matter is/are NOT true? A) Atoms of a given element…

A: According to the Dalton's atomic theory of matter, atoms are identical in the given elements. And it…

Q: How many elelents are on the periodic table?

A: The periodic table consists of 91 metals and 27 non-metals and metalloids, together consisting of…

Q: If 17.28 g of a pure element contains 8.545×1022 atoms, what is the element? The element is: (Enter…

A: The mass of the element that contains 6.023 × 1023 atoms is called as the molar mass of the element.…

Q: For what type(s) of compound do we use Roman numerals inthe name?

A: Roman Numerals A system of number representation that was discovered many years ago in Rome used…

Q: Which of these atoms Sulfur, Heli Explain.

A: Those atom which completed its octate will not surve as central atom

Q: Write the name of the following compounds а. b. CI

A: IUPAC nomenclature rules for alkenes and alkynes: Identify the longest continuous carbon chain.…

Q: What is the IR and HNMRAndCNMR and mass and mass in this example

A: Here we have to identify IR, CNMR and HNMR in the given diagram.

Q: How many miles of atom Co cobolt atoms are there in 6 billion Co atom

A: 1 mole of Co contains Avagodra number of atoms 1 mol of Co contains 6.023 x 1023 Co atoms

Q: ELEMENT H.

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Consider the phosgene (COCI, molecule. What is the central atom? Enter its chemical symbol.

A: →Rule for making lewis dot structure :-1 Calculate total charge :-Valence electrons +(-ve…

Q: gold(I) oxide Express your answer as a chemical formula.

A: The gold(I) oxide is also known as gold oxide. Which have molecular formula of Au2O. This is because…

Q: SISAI s performed three tim dents for the mass of 361g, and 0.2341g. T mass of silver is 0.52

A: Gravimetric analysis  quantitative  chemical analysis and steps involved in this method is  1.…

Q: What is the correct formula for calcium dihydrogen phosphate? a) Са, Н, РО, b) Ca(H,HPO), c)…

A:

Q: This picture represents a a. mixture of elements. b. a compound. Oc chemically bonded elements. O d.…

A: 11. An element is a substance that consists of atoms of same kind.They are the pure form of a…

Q: ne mass

A:

Q: l charge of oxygen in

A: Formal charge is real or imaginary charge present on the atom in the compound.

Q: "Noble gases are non-reactive" is an example of a O chemical change O physical change O chemical…

A:

Q: If the mass # is 99 and the # of protons is 43, what is the atomic symbol and and # of neutrons?

A: Elemental symbol gives information about atomic symbol of the element, mass number and atomic number…

Q: What is the chemical formula for a molecular model with 2 nitrogen atoms and 4 hydrogen atoms? Also…

A: a) Since the model is having 1 black and 4 white balls. Hence it is having 1 carbon i.e C and 4…

Q: A certain compound is made up of one carbon (C) atom, two chlorine (CI) atoms, and one oxygen (O)…

A: A compound has one carbon (C) atom, two chlorine (Cl) atoms and one oxygen (O) atom.

Q: Match the correct name with the correct symbol.

A: The correct name with the correct symbol can be matched The name and symbol of elements are:

Q: he mass c

A:

Q: he mass o

A:

Q: Part A In the following images, the white spheres represent hydrogen atoms and the red spheres…

A:

Q: DIFFERENTIATE COMPOUND, ATOMS, ELEMENTS AND MOLECULES. GIVE EXAMPLES FOR EACH. (essay 10 sentences).

A: Compound, atoms, elements and molecules are basic terms used in chemistry. These are the building…

Q: Malachite is an are of:(a) Iron(b) Copper (c) Mercury(d) Zinc

A: The solid material that occurs naturally on the earth and contains minerals or metals which are…

Q: Define the following: Matter - Atoms - Elements Compounds -

A:

Q: What is Molecular?  Example please

A: Atoms are indivisible smallest particles, which are not very active in general conditions. Due to…

Q: The sum of the numerals in the name of (see picture) is 20? 7? 21? 14? 8?

A: Rules for IUPAC naming  Select longest possible carbon chain , it is known as parent chain  If…

Q: atomic

A:

Q: molecules is

A: We will calculate no. Of N atoms

Q: Molecule C Molecule D Molecular Formula

A: There are certain rules in organic chemistry that help in the naming and framing of the structure of…

Q: which contains more atoms, 1 gram on gold or 1 gram of silver? explain please

A: 1mol of any substance contains 6.023 × 1023  number of atoms. 1mol of any substance means its atomic…

Q: n elemental metal contains how many types of atoms?

A: Elements are the substance that is composed of a single type of atoms.

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.