Atoms and Elements
The three subatomic particles that make up an atom.
What are the proton, neutron, and electron?
The name for horizontal rows in the periodic table.
What is period?
The electrons in the outermost energy level of an atom.
What are valence electrons?
The number of atoms of each element that are in NH4NO3.
What is 2 Nitrogen, 4 Hydrogen, and 3 Oxygen?
The number of valence electrons in hydrogen.
What is 1?
The mass of one neutron.
What is 1 amu?
The periodic table is organized by increasing this number.
What is atomic number?
The number of valence electrons all atoms (except for hydrogen and helium) need in order to reach stability.
What is 8?
The type of bond present in C6H12O6.
What is covalent?
The "fingerprint" of an element.
What is the number of protons?
How mass number is calculated.
What is by adding the number of protons and the number of neutrons?
The name of group 17.
What is halogens?
The number of valence electrons in all elements of group 16.
What is 6?
The oxidation numbers of magnesium and sulfur.
What are +2 and -2?
Have the traits lustrous, malleable, and are found on the left side of the periodic table.
What are metals?
The number of electrons a neutral atom of lithium has.
What is 3 electrons?
The only trend that decreases across a period.
What is atomic radius?
The group that is already stable.
What is the Noble Gases?
The name of the binary compound BaCl2.
What is barium chloride?
The oxidation number of nitrogen.
What is -3?
The number of neutrons in the average isotope of Arsenic.
What is 42?
The two periodic table trends that increase across a period and decrease down a group.
What are electron affinity and ionization energy?
An atom that will lose two electrons.
What is [any of the elements in group 2; acceptable answers include: group 2, alkaline earth metals, beryllium, magnesium, calcium, strontium, barium, and radium]?
The binary ionic formula for Al + I.
What is AlI3?
The name of the binary ionic compound, Fe2O3.
What is iron III oxide?