14) Which of the following terms best describes a carbonated beverage?(a) compound (b) heterogeneous mixture(c) homogeneous mixture (d) substance(e) none of the above show step solutions 15) Alum is used in styptic pencils to stop minor bleeding. If the formula is Al2(SO4)3 what is the total number of atoms in one formula unit of alum?(a) 10 (b) 12 (c) 14 (d) 17 (e) 2116) Using atomic notation, indicate the isotope having 25 p+, 30 n0,and 25 e-a. 2580Mn b. 2555Mn c. 5525Mn d. 2555Zn e. 3055Zn Show step by step solutions 17) Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu).Calculate the atomic mass of element X given the abundance of X-7 is 92.5%.(a) 6.09 amu (b) 6.50 amu(c) 6.52 amu (d) 6.94 amu(e) 12.5 amu Show step by step solutions 18) Which of the following photons of visible light is most energetic?(a) blue (b) red(c) violet (d) yellow(e) all visible light photons have the same energy Show step by step solutions 19) Which element has the following electron configuration:1s22s22p63s23p64s23d104p65s1?(a) Ce (b) In(c) Rb (d) Sr(e) Y Show step by step solutions 20) How many orbitals exist within the 4f energy sublevel?(a) 4 (b) 5(c) 6 (d) 7(e) 14 Show step by step solutions 21) What is the maximum number of electrons that can occupy a 4d sublevel?(a) 2 (b) 4(c) 5 (d) 10(e) 14 Show step by step solutions 22) Which fourth period transition element has the highest atomic number?(a) Ca (b) Cd(c) Kr (d) Rf(e) Zn Show step by step solutions 23) Which of the following is an alkali metal?(a) Al (b) Cs(c) Cu (d) Mg(e) none of the above Show step by step solutions 24) Which of the following has the most metallic character?(a) Na (b) K(c) Ca (d) Fe(e) Al Show step by step solutions 25) Which of the following has the smallest atomic radius?(a) F (b) Cl(c) Br (d) O(e) S Show step by step solutions 26) Which of the following has chemical properties most similar to arsenic?(a) Ar (b) Cl(c) Ge (d) Sb(e) Se Show step by step solutions 27) Given the chemical formulas NaCl, MgCl2, and AlCl3, predict the formula for galliumchloride, GaxCly.(a) GaCl (b) Ga2Cl(c) GaCl2(d) Ga3Cl(e) GaCl3 Show step by step solutions 28) Which energy sublevel is being filled by the elements Ga through Kr?(a) 3d (b) 4s(c) 4p (d) 4d(e) 4f Show step by step solutions please answer all questions
14) Which of the following terms best describes a carbonated beverage?
(a) compound (b) heterogeneous mixture
(c) homogeneous mixture (d) substance
(e) none of the above
show step solutions
15) Alum is used in styptic pencils to stop minor bleeding. If the formula is Al2(SO4)3 what is the total number of atoms in one formula unit of alum?
(a) 10 (b) 12 (c) 14 (d) 17 (e) 21
16) Using atomic notation, indicate the isotope having 25 p+, 30 n0,and 25 e-
a. 2580Mn
b. 2555Mn
c. 5525Mn
d. 2555Zn
e. 3055Zn
Show step by step solutions
17) Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu).
Calculate the
(a) 6.09 amu (b) 6.50 amu
(c) 6.52 amu (d) 6.94 amu
(e) 12.5 amu
Show step by step solutions
18) Which of the following photons of visible light is most energetic?
(a) blue (b) red
(c) violet (d) yellow
(e) all visible light photons have the same energy
Show step by step solutions
19) Which element has the following electron configuration:
1s22s22p63s23p64s23d104p65s1?
(a) Ce (b) In
(c) Rb (d) Sr
(e) Y
Show step by step solutions
20) How many orbitals exist within the 4f energy sublevel?
(a) 4 (b) 5
(c) 6 (d) 7
(e) 14
Show step by step solutions
21) What is the maximum number of electrons that can occupy a 4d sublevel?
(a) 2 (b) 4
(c) 5 (d) 10
(e) 14
Show step by step solutions
22) Which fourth period
(a) Ca (b) Cd
(c) Kr (d) Rf
(e) Zn
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23) Which of the following is an alkali metal?
(a) Al (b) Cs
(c) Cu (d) Mg
(e) none of the above
Show step by step solutions
24) Which of the following has the most metallic character?
(a) Na (b) K
(c) Ca (d) Fe
(e) Al
Show step by step solutions
25) Which of the following has the smallest atomic radius?
(a) F (b) Cl
(c) Br (d) O
(e) S
Show step by step solutions
26) Which of the following has chemical properties most similar to arsenic?
(a) Ar (b) Cl
(c) Ge (d) Sb
(e) Se
- Show step by step solutions
27) Given the chemical formulas NaCl, MgCl2, and AlCl3, predict the formula for gallium
chloride, GaxCly
.(a) GaCl (b) Ga2Cl
(c) GaCl2
(d) Ga3Cl
(e) GaCl3
Show step by step solutions
28) Which energy sublevel is being filled by the elements Ga through Kr?
(a) 3d (b) 4s
(c) 4p (d) 4d
(e) 4f
Show step by step solutions
please answer all questions
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