Flashcards in 1EXAM- HChem Deck (105)
What is the N, A, and S number of SO3?
32, 24, 8
What is the N, A, and S number of H2O2?
20, 14, 6
What is the N, A, and S number of BCl3?
30, 34, 6
Name this compound: HCl
Name this compound: CuCl2
Copper (II) Chloride
Name this compound: CO
Name this compound: HClO4(aq)
Name this compound: SiBr4
Write the formula for this compound: Tin (II) fluoride
Write the formula for this compound: Hydroiodic Acid
Write the formula for this compound: diphosphorus pentoxide
How many atoms are in 4.0 x 10^-5 g of aluminum?
8.9 x 10^17
What is the molar mass of (NH4)3PO4?
How many hydrogen atoms are in one molecule of (NH4)2PO4?
What is the percent composition of hydrogen in water?
What is the percent nitrogen (by mass) in (NH4)2CO3?
What is the molar mass of CO2?
What is the molar mass of NaOCl?
What is the molar mass of Ca(OH)2?
Find the percent composition of each element in he compound: H2SO4
H = 2.0%, S = 32.7%, O = 65.2%
Find the percent composition of each element in he compound: CO2
C = 27.3%, O = 72.7%
Find the percent composition of each element in he compound: Al2S3
Al = 35.9%, S = 64.1%
Copper has two isotopes. Copper-63 is 69.17% abundant and it has a mass of 62.9296 amu. Copper-65 is 30.83% abundant and it has a mass of 64.9278 amu. What is the weighted average mass of the two isotopes?
The identity of an atom is determined by the number of
The number of protons and neutrons combined is the
Isotopes have the same number of _____, but a different number of ______
The number of protons is called the
Janet, how do you spell the element F?
What's the symbol for tin