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What is the number of atoms of carbon hydrogen and fluorine on refrigerant R-11?
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Which element has the lowest atomic number?
Element......|..Melting point(K)..|...Boiling point(K)Fluorine.............|........53.53........................|....85.03 Chlorine.............|.......171.60.......................|...239.11Bromine.............|........265.80......................|...332.0Iodine................|........386.85......................|....457.40Astatine.............|..........575..........................|.....610(?)
What is true of saturated fatty acid?
They have the maximum number of hydrogen atoms.
Lipid molecules that have the maximum number of hydrogen atoms possible are referred to as unsaturated?
No. Lipid molecules that are unsaturated have less hydrogen atoms because of carbon-carbon double bonds.
Number of elements in table sugar?
3 carbon, hydrogen, and oxygen
What element was chosen as the standard foe defining the mole?
Hydrogen was used as the base since it has an atomic number of 1, it took 6.02 x 10^23 hydrogen atoms to make 1 gram of hydrogen.
Which element has the electron configuration He2s2 2p5?
The answer is carbon
What are ten elements?
The first 10 elements, in order of atomic number, are: Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
What is the atomic number carbon hydrogen?
The atomic number for hydrogen is 1 and the atomic number for carbon is 6.
What is the oxidation number for fluoride?
+1 for hydrogen -1 for fluorine
What element has a atomic number lower than alumimum?
There are 12 such elements and they are hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium and magnesium.
Can you name a list of 10 NON metals?
Hydrogen, helium, boron, carbon, nitrogen, oxygen, fluorine, neon, phosphorus and sulfur are ten non metals in the order of increasing atomic number.
What is the oxidation number of carbon in Hydrogen carbonate?
+4 for carbon
When does carbon have a negative 4 oxidation number?
In methane, CH4, the oxidation number of carbon is -4 and that of each hydrogen is +1, as carbon is slightly more electronegative than hydrogen.
What are the chemical symbols for the elements carbon aluminum hydrogen oxygen and sodium?
oxygen atomic number 8 symbol O. carbon atomic number 6 symbol C, hydrogen atomic number 1 symbol H. nitrogen atomic number 7 symbol N.
What is the oxidation number in CaF2?
Fluorine's oxidation number is -1. Since there are four fluorine atoms, the total oxidation number for the fluorine portion of the molecule is -4. The carbon atomwould have to have an oxidation number of +4 so that the compound would have an overall oxidation number of 0.
What compounds have the maximum possible number of hydrogen atoms on its carbon chain?
Alkanes have the most possible number of hydrogen atoms with respect to the carbon again.
Give 5 examples of non-metals?
Hydrogen, Helium, Oxygen, Nitrogen, Xenon, There are plenty to choose from, just look along the right-hand side of the periodic table
