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Q: IS THERE A PATTERN TO THE LOCATION OF THE GASEOUS ELEMENTS ON THE PERIODIC TABLE?

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Q: Is Au the symbol for gold?

A: Aurum is tge latin word for gold.

Q: What is the chemical symbol for iron? a) Fe b) I c) Ir d) In

A: The chemical symbol for an element is a shorthand representation used to denote that specific…

Q: HNO3 NBS H,SO4 light AICI3 Fe HCI

A: Chemical reaction:

Q: What is the key difference between an element and a com-pound?

A: The differences between  element and a com-pound are:

Q: 45. List the symbol and atomic number of each element.(a) carbon(b) nitrogen(c) sodium(d)…

A: The atomic number of an element represents the number of protons or the number of electrons present…

Q: How do you differentiate organic chemistry from inorganic chemistry

A: Chemistry is the branch of science that deals with the study of matter.

Q: Question Convert the following to a compound from the ions (because you cannot do subscripts all…

A: Ionic compound:Ionic compound composed of cation which is positively charged (+charge) and an anion…

Q: information, deduce the formulas for compounds with the following codes: (a) 12 (b) 113 (c) 123 (d)…

A: The chemical formula for the chlorofluorocarbons = 90+ codeFrom the numeral,the first digit in the…

Q: Complete the sentences by crossing out the words that are wrong. The first one has been done for…

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Q: ɴ=₃,ʟ=₁,ᴍʟ=-₃

A: Answer:-  option  D N=3, L=1, Ml =-3    this set is not an acceptable set of quantum number.

Q: -23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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Q: List some examples of how elements were named

A: Elements are the the pure substances which consists of only same kind of atoms which are same in all…

Q: Fill in the blanks. Thank you

A: Given reactions,

Q: Describe the Atomic Theory of Matter?

A: The atomic theory of Matter has to be described.

Q: difference between metal and non metal?

A: Here we are asked to write the difference between metal and non metal.

Q: Name Element "Teams' Similar to teams of ballplayers, elements have symbols (abbreviations or logos)…

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Q: What is the periodic table, and what is its significance inthe study of chemistry?

A: The periodic table is the arrangement of 118 elements according to their atomic number that knows as…

Q: What is the name of the alkali metal that is in period 3? What is the name of the halogen that is in…

A: The above question is based in preodic table. A period  is a row of chemical elements in the…

Q: HCI D-C1 note that D = deuterum ²H (isotope of ¹H)

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Q: Which of the following is the correct Lewis diagram showing the compound formed from sillcon (14)…

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Q: Neutral atoms always have the same number of __________________.

A: A atom consist neutron , proton  and electrons. Neutrons and protons are present  in nucleus. Atomic…

Q: 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of…

A: We have to calculate the mass HgO required to produce 54 ml of O2 gas when Solid HgO undergo…

Q: topic: matter does each sample have a measurable mass? how do you measure the mass of each sample?…

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Q: Part A Given the following: x, X, X, and X. Which are isotopes of each other? x. X. x. and 2x are…

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Q: is chlorine gas an element ?

A: The simplest chemical substance which made up of atoms with the same number of protons and it cannot…

Q: What is the Law of Conservation Mass

A: The concepts of mass conservation is widely used in many fields such as chemistry,mechanics and…

Q: What is the symbol for phosphorus?

A: Given :- name of element = phosphorus  To determine :- it's symbol

Q: 1012 m 3= m Enter the full name of the unit.

A:

Q: 23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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Q: 10 Which of the following sets, are all compounds? a) Water, Salt, Ammonium nitrate b) Carbon…

A: All the matters are composed of atoms. The matter that formed by only one type of atom is known as…

Q: What is the chemical element? X

A: Here we have asked about the information for the chemical element 'X'. We can tell about this as…

Q: Berikut ini yang merupakan isoelektron dengan Na adalah Jumlah neutron Nomor massa 34 36 27 24…

A: Isoelectronic species have equal number of electrons in them. They may be cation, anion or neutral…

Q: What characteristics must the substance have in order to be classified as an element?

A: Elements are the fundamental building blocks of matter. They are substances that cannot be broken…

Q: (c) 1° Rn 219 86 (d) U 92

A: Rn86219 undergo alpha decay in which there is emission of alpha particle and Rn86219 transmuted into…

Q: Three sceintists that particpated in the discovery and invention or contributed to the early atomic…

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Q: Devise a system of chemical symbols that is easy to use by answering the questions below. Look up…

A: For writing chemical symbols one or two letters are used and first one is written in capital letter…

Q: Three kinds of matter are elements, and mixtures.

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Q: Which pair of elements have the most similar chemical properties?   Question 1 options:…

A: In the periodic table, elements are arranged in order of increasing atomic number. The table is…

Q: How many of EACH element are there in this chemical formula? NaNO, Na: N: O:

A: A question based on the number of elements, which is to be accomplished.

Q: Antimony, Sb has 2 isotopes and an atomic weight of 121.75 amu. The isotope anitimony-121 has a…

A: Given percentage abundance  Sb-121 = 57.25℅ Sb-123 = 41.75℅ Mass of Sb-123 = 122.9041 amu atomic…