Hw3 (2.7-2.8 // 3.1-3.2 // 5.3-5.4 // 10.2 // 10.5 Flashcards
Smallest particle of an element that can exist is called a(n) _______
Atom
What elements are liquid at room temp?
Bromine (Br) and Mercury (Hg)
Most abundant element in universe?
Hydrogen (H)
Gaseous elements located where on periodic table?
Extreme right of periodic table
Elements in column 1A of periodic table are also known as…
Alkali metals
Elements in column 2A of periodic table are also known as…
Alkaline earth metals
Elements in column 7A of periodic table are also known as…
Halogens
Elements in column 8A of periodic table are also known as…
Noble gases
Elements in the middle of periodic table are also known as…
Transition metals
Potassium (K); metal, metalloid, or nonmetal?
Metal
Plutonium (Pu); metal, metalloid, or nonmetal?
Metal
Sulfur (S) ; metal, metalloid, or nonmetal?
Nonmetal
Antimony (Sb); metal, metalloid, or nonmetal?
Metalloid
Iodine (I) ; metal, metalloid, or nonmetal?
Nonmetal
Tungsten (W) ; metal, metalloid, or nonmetal?
Metal
Molybdenum (Mo) ; metal, metalloid, or nonmetal?
Metal
Germanium (Ge) ; metal, metalloid, or nonmetal?
Metalloid
What are the subatomic particles found in an atom?
Protons, neutrons, and electrons
Where in atom are subatomic particles located?
Protons & neutrons in nucleus; electrons surround nucleus
What part of atom contains practically all its mass?
Nucleus
Most commonly used temp. scales?
Kelvin and Celsius
How do Celsius and Fahrenheit degrees compare?
What is formula to convert Celsius to Fahrenheit?
Celsius degrees are larger.
T(F) = (1.8 * T(C)) + 32.0
(3 s.f.)
How do Celsius and Kelvin degrees compare?
What is formula to convert Celsius to Kelvin?
Both degrees are same size.
T(K) = T(C) +273.15
