Chemical Bonding
What are Valence Electrons?
The outer most electrons. Determines how an atom reacts with other atoms.
Is baking soda a ionic compound or a covalent compound?
Ionic Compound
Element with the atomic number 75
Rhenium
Which direction on the periodic table does electronegativity increase?
Up and right
How many significant figure(s) are in the number 4.080?
4 significant figures
True or False:
Higher electronegativity=Stronger electron attraction
True
What is it called when there are more than one elements bonded together (metal and non-metal)?
Ionic Compound
Element with the atomic symbol Mg
Magnesium
True or False:
The bigger the atomic radius, the slower it will react with water
False
Convert 4,750,000,000 into scientific notation
4.75 x 10*9
How many valence electrons does Arsenic (As) have?
5 valence electrons
What is the definition of a chemical compound?
A pure substance made of just one element OR of only one molecule
Which elements are metal and which elements are nonmetal of the following:
Manganese (Mn), Tennessine (Ts), Selenium (Se) and Polonium (Po)
Metal: Manganese (Mn), and Polonium (Po)
Nonmetal: Tennessine (Ts), and Selenium (Se)
Which direction on the periodic table does ionization decrease?
Down and left
Convert 8.47 x 10*5 back from scientific notation
847,000
The definition of ionization energy.
The amount of energy required to remove an electron from an atom?
In regards to the staircase on the periodic table, where are metals located and where are non-metals located?
Metals on the left of the staircase, and non-metals on the right of the staircase
Order the elements from highest number of protons to least number of protons, (and the number of protons each element has):
Osmium (Os), Strontium (Sr), Vanadium (V), Cadmium (Cd), Xenon (Xe), and Fermium (Fm)
Fermium (Fm) 100, Osmium (Os) 76, Xenon (Xe) 54, Cadmium (Cd) 48, Strontium (Sr) 38, and Vanadium (V) 23
What has a higher ionization energy, Thallium (Ti) or Tin (Sn)?
Tin (Sn)
Find the molar mass of calcium nitrate (Ca(NO3)2)
164.1g/mol
Order the elements to most amount of valence electrons to least amount, and how many each element has):
Krypton (Kr), Barium (Ba), Tellurium (Te), Astatine (At), and Nihonium (Nh)
Krypton (Kr) 8 valence electrons, Astatine (At) 7 valence electrons, Tellurium (Te) 6 valence electrons, Nihonium (Nh) 3 valence electrons, and Barium (Ba) 2 valence electrons
Which of the following are ionic compounds, and how are they written in scientific form? (Ex: NaCl)
Cesium + Radon, Oganesson + Krypton, and Tantalum + Astatine
Cesium + Radon (CsRn), and Tantalum + Astatine (TaAt5)
DOUBLE JEOPARDY!!
Element with the number of neutrons being 41 (when atomic mass is rounded to nearest whole number)
Order the elements from biggest to smallest atomic radius:
Francium, Yttrium, Copernicium, Platinum, and Antimony
Francium, Yttrium, Platinum, Copernicium, Antimony
DOUBLE JEOPARDY!!
What is the volume of the liquid? (Use correct number of significant figures)