Please answer this following questions based on the elements Iron:  2) What is the chemical symbol for your element?  3) What is the atomic number?  4) What is the atomic mass?  5) How many electrons does this element have?  6) How many protons does this element have?  7) How many neutrons does this element have?  8) What is the melting point of this element?  9) What is the boiling point of this element?  10) Is this element a solid, liquid, or gas at room temperature?  11) What is the density of this element?

Q: What class of elements lies along the “staircase” line in the periodic table? How do the properties…

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Q: Which of the following elements is most metallic? O Na(Atomic # 11) OK(Atomic # 19) OH (Atomic # 1)…

A: We have to find out the most metalic element among the given elements. Elements are H, Li, Na, K,…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: Silicon is essential to the computer industry as a major component of semiconductor chips.It has…

A: Isotopes are those atoms of an element, that have same atomic number and different mass number.…

Q: The "cards" are separated top to bottom by color. What are the common characteristics of the cards…

A: Sepration of cards on the basis of color means  they will have same type of physical  and chemical…

Q: Post-Lab Questions: Answer the following questions in complete sentences using data from the lab to…

A: The given data shows the properties of metals, non-metals, and metalloids.Physical properties…

Q: A manufacturer begins with 15.00 kg15.00 kg of cinnabar and produces 12.93 kg12.93 kg of elemental…

A: Since you have posted multiple questions, we are entitled to answer the first clear question only.…

Q: How can the periodic table be used to determine the number of valence electrons of a given element?…

A: The groups of the periodic table indicate the number of valence electrons of a given element. For…

Q: Define both the Greek atomic theory and the modern day theory of atoms. How does the Greek atomic…

A: The Greek assumption of atoms with different shapes wasn't based upon any empirical evidence but on…

Q: Decide

A: We will write the compound most similar and least similar

Q: Use the Periodic Table to help you answer the following questions

A: Carbon has an atomic symbol of C and belongs to group 14 and second period.

Q: This group of elements is the most reactive of all the non-metals  A) rare earths B) halogens C)…

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Q: metalloids

A: In the periodic table, major percentage are metals. In all the periodic table most element are…

Q: st Laboratory Questions: 1. Compare and contrast an ion from an isotope.

A: Ions and isotopes are two important concepts in chemistry that are related to the structure and…

Q: 4. A naturally occurring element X exists in three isotopic forms on the third planet of the Alpha…

A: Formula to calculate atomic mass from natural Abundance is :-  Atomic mass = ∑atomic mass × natural…

Q: 200 What conclusions can you draw from this graph? 180 Atomic radius 160 140 120 100 Na Mg Al Si P…

A: Since you have asked have multiple questions, we will answer only first question for you. In order…

Q: III. Periodic Properties Answer the following questions about elements and their properties based on…

A: In periodic table the elements are arranged on the increasing atomic number. Due this arrangement…

Q: Identify the following elements, giving their name and atomic symbol. a gaseous element in Group…

A: 1) Chlorine Cl atomic number is 17 2) Technitium Tc atomic number is 43

Q: 5. Use the internet to figure out which of the following METAL ELEMENTS is most likely the mystery…

A: D block elements are called as transition metals like zinc means they have characteristics between s…

Q: One difference between carbon-12 (C) and carbon-14 ( (C) is that carbon-14 has

A: The atoms with the same number of protons but the different number of neutrons or mass number are…

Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes…

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Q: Classify each element as a metal, nonmetal, or metalloid.  barium. 1.Metal 2.nonmetal…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.