Iron (III) oxalate has the chemical formula below. This unit of iron (II) oxalate contains * Fe,(C,0,)3 4. 3 iron atoms, 2 carbon atoms, and 4 oxygen atoms 2 irons atoms, 6 carbon atoms, and 12 oxygen atoms 2 iron atoms, 2 carbon atoms, and 12 oxygen atoms 3 iron atoms, 4 carbon atoms, and 8 oxygen atoms

How many protons, neutrons, and electrons?

For the following elements state their Name, Period, Group #, Family Name and type of element? Name Period Group # Family Туре Element Na Fe Br Xe Ca

Find the average atomic mass (atomic weight) for lithium on the periodic table. There are only two significant isotopes of lithium, Li-6 and Li-7. Which is the most abundant isotope ? Not a calculation.

The proton and the electron have about the same mass. Most of the mass of an atom is due to The neutron is electrically neutral. the protons and neutrons. The mass number is the number of The charge of a proton is equal, but opposite, to the charge of a neutron. protons. True False More information needed to make a determination

What is the chemical formula for the compound formed between iron(II) and chlorine? chemical formula: What is the chemical formula for the compound formed between iron(II) and selenium? chemical formula: MAR 29 图 MacBook Air 80 DII DD F3 F4 F6 F7 F8 F9 F10 # $ & 3 4 7 8 R Y U O P { F H J K C V M V * 00

31. Which of the following parts of Dalton's theory were proven incorrect with newer versions of the atomic theory?    Group of answer choices a)  An element is made of atoms that are all the same size and mass. b)  Atoms combine to form chemical compounds c)  Chemical Comoundds are formed in whole number ratios. d)  The same elements may be combined in different ratios to form different compounds.