Which of the following elements would be classified as a nonmetal? a.) silicon  b.) francium c.) bromine d.) calcium

Q: Which describes an atom of plutonium?A. It can be divided into smaller particles that retainall the…

A: A. It can be divided into smaller particles that retainall the properties of plutonium.B. It cannot…

Q: ) an element has the following isotopes. Calc the avg amu and identify. the element based on your…

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Q: Which best describes isotopes? A. Same number of neutrons, different number of electrons B. Same…

A: atoms of the same element have the same number of protons, but some may have different numbers of…

Q: 12. For each of the following elements, use the tables on the inside cover of the book to give the…

A: An atom is made up of a nucleus and electrons. Nucleus consists protons and neutrons. Protons are…

Q: Which of the following is a nonmetal? a. Lead b. Boron C. Arsenic O d. Sulfur

A: Metals- These are good conductors of heat and electricity. These are malleable and ductile. These…

Q: Which element is the only transition metal that has a single-letter chemical symbol that is not the…

A: Co-ordination compounds are formed when the metal ion is bonded to the ligand which donates its…

Q: 57. Which elements are alkaline earth metals?(a) sodium(b) aluminum(c) calcium(d) barium(e) lithium

A: The elements in the tabular form when arranged on the property of the increasing atomic number order…

Q: Convert atomic mass of Ca to g. atomic mass of Ca is 40.08 amu  Group of answer choices   A.) 3.00…

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Q: State two differences between a metal and a nonmetal.

A: Metal Non-metal Metals are electropositive. Metals are good conductors of electricity.…

Q: Tin has 10 stable isotopes. The heaviest, 124Sn, makes up 5.80% of naturally occurring tin atoms.…

A: a) The number atoms of 124Sn are present in 25.0 g of naturally occurring tin is to be calculated.…

Q: What is a proton ? what is a chemical?

A: A proton is a subatomic particle which is present in the nucleus of an atom along with the neutrons.…

Q: What is atomicity

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

Q: 16. Silver exists as two isotopes with atomic masses of  106.9041 and 108.9047 amu. Determine the…

A: 16. Given that, Silver exists as two isotopes with atomic masses of 106.9041 and 108.9047 amu. For…

Q: Most elements are classified as _____. a.) metalloids b.) noble gases c.) metals d.) nonmetals

A: There are many elements in the periodic table with differing physical and chemical properties. Some…

Q: 6. What is electrical charge?

A: The definition of electric charge has to be given,

Q: Calculate the mass ratio of a bromine atom to an atom of A.) neon B.) calcium C.) helium

A: Calculate the mass ratio of a bromine atom to an atom of A.) neon B.) calcium C.) helium

Q: Fluorine 9 F 18.998 Iron 26 Fe 55.845 # Protons: # Electrons: # Neutrons: 10 # Protons: # Electrons:…

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Q: Name various radioactive elements.

A: The various names of radioactive elements are named as in step 2.

Q: In a neutral atom the number of protons equals

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Q: Which of the following is the most important factor in determining the chemical properties of an…

A: Atoms consists of protons, electrons and neutrons

Q: What types of elements undergo covalent bonding? a. a nonmetal and a metal b. two Group 1 elements…

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Q: Boron occurs naturally as 10B and 11B. Which isotope is most abundant? (Refer to the Periodic…

A: The isotopes can be described as the types of the species which have equivalent atomic number…

Q: What is the chemical formula of hydrogen

A: To find: Chemical formula of hydrogen

Q: Which of the following statements best describes the elements in Group 8A (18) of the periodic…

A: The elements in Group 8A (18) are : Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe) and…

Q: 7) The phosphate ion has a net charge of   A. zero   B. -2   C. +3   D. +2   E. -3

A: The phosphate has the formula of PO43-. Hence it has a net charge of -3 and the correct option is E.

Q: Which combination of protons neutrons and electrons correctly represents a neutral 57 Fe atom a. 26…

A: The question is asking us to identify the correct combination of protons, neutrons, and electrons…

Q: To answer this question, you may need access to the periodic table of elements. Which of the…

A: Alkaline earth metals are known as alkaline earth metals because of their high abundance in earth…

Q: Boron occurs naturally as 10B and 11B. Which isotope is most abundant? (Refer to the Periodic…

A: Isotopes are atoms with the same number of protons, but differ in numbers of neutrons   Boron (5B)…

Q: "For nitrogen-14 with a charge of 1, the number of protons are type your answer... the number of…

A: Given element is nitrogen with 1 charge.Atomic number= number of protons Mass number = number of…

Q: 2. Which element forms an ion that is larger than its atom? C. Nitrogen A. Sodium B. Iron the sar D.…

A: The atomic radius of an atom suggests the linear distance between the nucleus and the outermost…

Q: True or False...and why? a.) If you change number of protons, you have isotopes of an element b.)…

A: Given: a.) If you change number of protons, you have isotopes of an element b.) If you change number…

Q: Fe(CN),*(aq) + Re(s) –Fe(CN),*(aq) + ReO;(aq) Use the chemical equation above in determining the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The relative atomic masses of elements are seldom whole numbers because A. atoms of some elements…

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