What is an ion?
Charged atom or atom that has lost/gained electrons
What is the chemical formula for methane?
CH4
C stands for?
Carbon
What is the center of an atom called?
Nucleus
Who is credited for founding Atomic theory?
John Dalton
What do you call a negative ion?
Anion
What is the chemical name for CuSO₄ (aq)?
copper (II) sulfate solution
Hydrogen is part of which chemical group?
Nonmetal
What are the subatomic particles present in an atom?
Protons, Neutrons, Electrons
Which scientist discovered the TCA cycle?
Hans Krebs
What happens to charge when a neutral atom loses 2 electrons?
The atom will have a +2 charge.
What is the chemical name for C₂H₅?
dicarbon pentahydride
How many elements are in the periodic table?
118 Known
How many electrons will a neutral atom of carbon have if it’s nucleus has 6 protons and 8 neutrons?
6
What was Dmitri Mendeleev’s main contribution to the scientific community?
He organized the elements by atomic weight & created the periodic table
What is the charge on a phosphorus ion?
+3
What is the chemical formula for nitrogen monoxide?
NO
How many periods or rows are there on the periodic table?
7
Which of the three subatomic particles is the lightest (proton, neutron, electron)?
Electron
Who discovered the relationship between volume and pressure?
Robert Boyle
What is the name of this polyatomic ion: ClO4- ?
Perchlorate
What is the chemical name for HNO₂?
Nitrous Acid
What is the most conductive metal on the periodic table?
Silver
Where are the electrons located?
Outside the nucleus in electron clouds, arranged in energy levels.
Radiation therapy was pioneered by whose discovery?
Marie Curie’s discovery of radium