Chemistry

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An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is ________. A) 17O2- ... Started by Yi-Chen	1 Replies 93 Views	Aug 27, 2018 by Pswine
If the melting point of vanadium metal is 1910C, what is its melting point in Kelvin? A) 1029 K ... Started by CharlieWard	1 Replies 206 Views	Aug 27, 2018 by Benayers
Determine the volume of H2S (at 375 K and 1.20 atm) needed to produce 55.0 g of S. Assume that there ... Started by penguins	1 Replies 46 Views	Aug 27, 2018 by mariahkathleeen
How many protons does the Br- ion possess? A) 34 B) 36 C) 6 D) 8 E) ... Started by faduma	3 Replies 58 Views	Aug 27, 2018 by TDubDCFL
Can you predict the chemical formula for a covalent compound between nitrogen and oxygen? Explain ... Started by sheilaspns	1 Replies 151 Views	Aug 27, 2018 by underwood14
Describe the difference between an atomic element and a molecular element. What will be an ideal ... Started by erika	1 Replies 109 Views	Aug 27, 2018 by orangecrush
What is the chemical symbol for titanium? A) Th B) Ti C) Tl D) ... Started by biggirl4568	1 Replies 77 Views	Aug 27, 2018 by bhavsar
Describe the difference between ionic and molecular compounds. Give an example of each. What will ... Started by karen	3 Replies 104 Views	Aug 27, 2018 by sarajane1989
How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 1024 A) ... Started by PhilipSeeMore	1 Replies 122 Views	Aug 27, 2018 by leannegxo
Balance the following equation. ____ C10H12 + ____ O2 ____ H2O + ____ CO2 Fill in the blank(s) ... Started by haleyc112	1 Replies 122 Views	Aug 27, 2018 by macagnavarro
List the elements in a hydrocarbon. What will be an ideal ... Started by Jramos095	1 Replies 53 Views	Aug 27, 2018 by morrie123456
Give the ground state electron configuration for Rb+. A) Ar 4s2 4p6 B) Kr 5s1 C) Ar 4s2 3d10 ... Started by MGLQZ	3 Replies 200 Views	Aug 27, 2018 by aliotak
Identify the molecule that effuses the fastest. A) CO B) Ar C) CH4 D) ... Started by KWilfred	1 Replies 74 Views	Aug 27, 2018 by kmb352
An acetylene molecule contains 2 atoms of carbon. The number 2 represents how many significant ... Started by cookcarl	1 Replies 108 Views	Aug 27, 2018 by blakcmamba
Which of the following represent isotopes? A: X B: X C: X D: X A) A and B B) A and C C) A and D ... Started by Starlight	1 Replies 56 Views	Aug 27, 2018 by rosiehomeworddo
Calculate the ratio of effusion rates of Cl2 to F2. A) 1.3661 B) 0.53588 C) 1.8661 D) 0.28716 ... Started by melly21297	3 Replies 92 Views	Aug 27, 2018 by ashely1112
Choose the ground state electron configuration for Ti2+. A) Ar 3d2 B) Ar 4s2 C) Ar 4s2 3d2 D) ... Started by Wadzanai	1 Replies 180 Views	Aug 27, 2018 by meow1234
Choose the ground state electron configuration for Zn2+. A) Ar 4s2 3d8 B) Ar 3d10 C) Ar 4s2 3d6 ... Started by Pineapplelove6	1 Replies 111 Views	Aug 27, 2018 by Brummell1998
What is the element symbol for an atom that has 5 protons and 6 neutrons? A) B B) C C) H D) ... Started by burchfield96	1 Replies 51 Views	Aug 27, 2018 by trog
The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas? A) Ne B) Ar ... Started by vinney12	3 Replies 97 Views	Aug 27, 2018 by djpooyouma
Which of the following is a physical property? A) flammability B) conductivity C) ability to ... Started by charchew	1 Replies 74 Views	Aug 27, 2018 by ecox1012
Which reaction below represents the electron affinity of Li? A) Li(g) + e Li(g) B) Li(g) Li(g) ... Started by FButt	1 Replies 102 Views	Aug 27, 2018 by Rilsmarie951
Which of the following is a chemical property of aspirin? A) It does not decompose when protected ... Started by wenmo	1 Replies 54 Views	Aug 27, 2018 by succesfull
An atom of 118Xe contains ________ neutrons. A) 54 B) 172 C) 64 D) 110 E) ... Started by sdfghj	3 Replies 57 Views	Aug 27, 2018 by tuwy
The mass number of an atom of 128Xe is ________. A) 54 B) 182 C) 74 D) 128 E) ... Started by altibaby	1 Replies 42 Views	Aug 27, 2018 by s.meritte