From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K,O—pick the one that best fits each description. Use each elementonly once: (a) an alkali metal, (b) an alkaline earth metal, (c) anoble gas, (d) a halogen, (e) a metalloid, (f) a nonmetal listed ingroup 1A, (g) a metal that forms a 3+ ion, (h) a nonmetal thatforms a 2- ion, (i) an element that resembles aluminum.

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

Q: In nature, the element X consists of two naturally occurring isotopes. 107X with abundance 55.84%…

A: Given : There are two naturally occurring isotopes of element X. Abundance of isotope 1 i.e 107X =…

Q: Write the names and symbols for four elements in eachof the following categories: (a) nonmetal, (b)…

A: (a) Nonmetals are the elements which are present at the right of the periodic table. For example,…

Q: Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or…

A: To find : Which subatomic particles are found in the nucleus of the atom.

Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: 80. Determine whether each statement is true or false. If false, correct it. (a) The Fe2+ ion…

A: The charge within an atom or molecule has always been determined by the number of protons and…

Q: Consider the following organic substances: ethanol, propane,hexane, and propanol. (a) Which of these…

A: The functional group is the groups that are the characteristic moieties of the chemical compound…

Q: When copper (Cu) and oxygen (O) combine, two different compounds are formed. The first compound…

A:

Q: Which of the following is incorrect? a) In the Lewis dot structure of the NH3 molecule, there is one…

A: Lewis structure  of NH3  is                 There is one unbounded electron pair on N2.If  water…

Q: An element has three isotopes, A, B, and C. Atomic masses and percent abundances of the three…

A: The concept is to calculate the average atomic mass of an element.The elements having same atomic…

Q: Chlorine (Cl) and oxygen form four different binary compounds. Analysis gives the following…

A: Law of multiple proportions: According to this law when two elements combine and form more than one…

Q: Be sure to answer all parts. Give the name and formula for the acid derived from the following…

A:

Q: Two gaseous A and B are common hydrocarbons. Chemical analyses demonstrate that in one sample of A,…

A:

Q: a)For carbon-12 and carbon-14, how many protons and neutrons are in each nucleus? Carbon-12 has…

A: The formula used here, Number of neutrons + number of protons = mass number For neutral atom,…