14. Determine the missing number of electrons for the following ions: A) A1+3 Number of electrons B) C-4 Number of electrons

1-Complete the table below. some binary molecular compounds name chemical formula nitrogen trifluoride   chlorine monofluoride   dinitrogen tetrafluoride   carbon tetrafluoride       2-Fill in the missing information: symbol atom or ion?check all that apply number of protons number of electrons Ar ___neutral atom ___ cation ___anion             As3- ___neutral atom ___ cation ___anion             Be2+ ___neutral atom ___ cation ___anion           3-The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this…

Complete the table below, using the diagram of an atom shown at right. name symbol proton electron: 0 Properties of subatomic particles approximate mass (amu) (choose one) (choose one) (choose one) charge (in multiples of e) 0 0 0 location on diagram (choose one) (choose one) (choose one) X

1)Fill in the correct subscript in the formula for the ionic compound which contains Li + cation and (OH) - anion. Li ____ (OH) _____ 2)Fill in the correct subscript in the formula for the ionic compound which contains Zn 2+ cation and (OH) - anion. Zn ___(OH) ____

What does an atom gain or lose when ions are produced? A)protons B)neutrons C)electrons

4. Make a table like the one below to identify three examples of stable atoms and ions. Include 1 with neutral charge, 1 with a positive charge, and 1 with a negative charge. Table 2 What is in your Capture and paste your atom or ion Is it a neutral atom, positive ion, or negative ion? explain why What is atom or ion? (Stable only) # of protons: 1 # of neutrons: # of electrons: # of protons: # of neutrons: the charge? # of electrons: # of protons: # of neutrons: 3 # of electrons:

For the first and third blank the options are could be or cannot be. For the second and fourth blank the options are definite proportions or multiple proportions.

3. Which one of the following is a monoatomic element? a) oxygen b) iodine c) argon d). nitrogen

1) A molecule is composed of two or more of the same or different elements. A) true B) false An atom with 3 protons, 3 electrons, and 4 neutrons has an atomic number of which of the following? A) lithium B) beryllium C) helium 3) what is the valence number of carbon? A) 4 B) 6 C) 2 D) 12

Please complete the following question. 2