Now, using your periodic table C as a reference, type the symbols for the known elements into their appropriate groups and
periods in the modified table below. Note that we're using the international group numbers (1-18), followed by the American
scheme for the a group elements in parenthesis
Answers: 2
Chemistry, 23.06.2019 06:30
Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.
Answers: 1
Chemistry, 23.06.2019 08:40
A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters
Answers: 1
Chemistry, 23.06.2019 08:50
What happens after sound waves create vibrations in the ear?
Answers: 1
Now, using your periodic table C as a reference, type the symbols for the known elements into their...
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