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Q: Which one of the following is an example of an element? A) brass B) nickel C) bronze D) sterling…

A: An element is a pure substance that cannot be broken down into simpler substances by means of any…

Q: Data: Trial 2 Leave Blank. Trial 1 Trial 3 Leave Blank. 24.789 Mass of Beaker Leave Blank. Leave…

A: Density is mass per unit volume. It is calculated by the formula  Density = Mass / Volume   Trial…

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

A:

Q: Order the following from largest to smallest 1 | Hydrogen, H 2 | Caesium, Cs 3 I Lithium, Li 4…

A: As we move from top to bottom in the periodic table, the size increases.

Q: State the number of neutrons in an atom of each of the following isotopes. (a) hydrogen-1 (b)…

A: Introduction: The atoms of the same element which have the same number of the proton but vary in…

Q: Which of the following elements is not a metal? • View Available Hint(s) O iron aluminum O sodium O…

A: Introduction : We have to tell which among the following is not a metal .

Q: Macmillan Learning Place an asterisk (*) next to the chirality center (sometimes called chiral atom)…

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Q: The horizontal rows in the periodic table are called:

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Q: Refer to the periodic table and state the highest energy sublevel for each of the following…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: The total number of protons and neutrons in an atom is its:

A: Since, In an atom, proton and neutron present in the nucleus and electron round on its surrounding…

Q: The element with atomic number 38, strontium (Sr), can be found in what period of the periodic…

A: The periodic table is a tabular display of chemical elements arranged according to their atomic…

Q: Do Periods in the periodic table have anything in common? If so, what?

A: A period is a horizontal row of the periodic table. There are seven periods in the periodic table.

Q: Which Greek philosopher argued that matter is continuous in 350 B.C?

A: The Greek philosopher, who argued that matter is continuous in 350 B.C has to be stated.

Q: Which planet is known as the "Red Planet"? A) Mars B) Venus C) Jupiter D) Saturn Don't.

A: The objective of the question is to identify which planet is commonly referred to as the 'Red…

Q: If an atom has 35 protons in the nucleus,how many electrons will it have orbiting the nucleus?

A: An atom contains three sub-atomic particles. These are protons, neutrons and electrons.

Q: The subatomic particles, protons, neutrons, and electrons, are all located in the nucleus of the…

A: There are 3 subatomic particles which are electrons, protons and neutrons. The positively charged is…

Q: Which of the following categories includes the majority of the elements metalloids, nonmetals,…

A:

Q: A: Where on the periodic table, are the metals located?  B: Where on the periodic table, are the…

A: Periodic table is a table in which all of the elements are situated together. On left side there are…

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Q: 42. Find the atomic number (Z) for each element.(a) Si(b) W(c) Ni(d) Rn(e) Sr

A: Find the atomic number (Z) for each element.(a) Si(b) W(c) Ni(d) Rn(e) Sr

Q: The number of neutrons in the nucleus of the isotope 22Na is

A: The number of neutrons

Q: In any atom ,the atomic number is equal to the number of And the number of.

A: Atomic number is a number that can be used to uniquely identify an element. In periodic table atoms…

Q: Which of the following would have similar properties to those of neon?  Answer choices in the…

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Q: Represent an atom: electronic cloud and nucleus/ neutrons, protons and electrons

A: A question to represent an atom, which is to be accomplished.

Q: How do I find the atomic number (This is bio and chem class)

A: Atom is smallest  unit of matter  and it forms chemical element.

Q: 206 Po? the number of protons is the In number of neutrons is and the number of electrons is

A: The atomic number of Po is 84. The given species has charge of 2- which shows that it has 2 extra…

Q: Which planet is known as the "Red Planet"? A) Mars B) Venus C) Jupiter D) Saturn Don't use chatgpt…

A: the correct answer is MARS

Q: What is atomic mass and atomic number? Give me example of how to get electrons neurons and protons?

A: Atomic mass (Mass number) is the sum of the number of protons and neutrons inside the nucleus of an…

Q: 8. (Calorimetry - Determination of specific heat) A 5.1-gram piece of gold jewelry is removed from…

A: Given that -  Mass of gold jewellery = 5.1 g  Mass of water = 16.9 g  Initial temperature of gold =…

Q: What is the atom in the image

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Q: Atoms of the same elements that have different atomic masses are called

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Q: Which subatomic particle identifies an atom as that of a particularelement?

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Q: Between which two elements is the difference in metallic character the greatest? (a) Na and O (b) K…

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Q: Law) Determine the heat of formation AH°; (in kJ/m (H2O2) at 25°C from the following thermochemical

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Q: 9. (Calorimetry - Determination of enthalpy) A coffee-cup calorimeter having a heat capacity of 472…

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Q: Determine the number of neutrons in each of the following atoms given the mass number and atomic…

A: For an atom, neutrons and protons decides its mass. Thus,  Mass number = Number of (neutrons +…

Q: Convert a speed of 799 mi/h to units of feet per minute. Also, show the unit analysis by dragging…

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Q: Fill in the Blanks a. 1s² 2s²2p6 3s²3p6 4s²3d¹04p4 b. 1s² 2s²2p6 3s²3p6 4s² 3d¹04p5 c. 1s² 2s²2p…

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Q: 12. (Phase change) Calculate the total amount of heat absorbed (in kJ) when 3.00 mol of ice at…

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Q: Part C An atom has a mass number of 27 and 14 neutrons. What is the atomic number of this atom?…

A: Mass number & Number of neutrons are given.

Q: Please fill in the blanks accordingly for the following image.

A: Molecular structure determined by VSEPR Theory .

Q: For number 9 I need the words to match the meaning for all of them

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.