Elements
What element has the atomic # of 67?
Holmium
What group on the periodic table has the element Moscovium?
15
What is the atomic mass of Meitnerium
277
What is the atomic # of Niobium
41
Why does the atomic radius increase as you go down a group?
The atomic radius increases because each step down a group adds a new electron shell
Which 6 elements are in the Halogen Group?
Fluorine, Chlorine, Bromine, Iodine, Astatine, and Tennessine
What group on the periodic table has the element Copper
9
What is the atomic mass of Tin
119
What is the atomic # of Iridium
77
Within a period, what happens to the atomic radius as the atomic number increases?
The atomic radius decreases
How many valence electrons does an atom of sulfur have?
6
What group on the periodic table has the element Manganese
7
What is the atomic mass of Lawrencium
226
What is not the atomic # of Bohrium
Any number except 107 or 67 or 41
Which of these elements has the highest first ionization energy: Tin (Sn), Arsenic (As), or Sulfur (S)?
Sulfur
What element has a atomic mass of 175 (rounded)
Lutetium
What group on the periodic table has the element Einsteinium
What is the atomic mass of Selenium
79
What is the atomic # of Ytterbium
70
Why is the periodic table called the periodic table?
Because the chemical properties of the elements repeat in a recurring, cyclical pattern as the atomic number increases
What was the first element or elements that was on the periodic table?
Hydrogen
What group on the periodic table only has 9 elements (no using periodic table for this question)
18
What is not the atomic mass of
Promethium
Any number but 145 or 144 or 67
What is this atom, and what is it's atomic number:
🌴🌉🌊☀️
Californium, 98
What is the Mulliken definition of electronegativity? 😈
The Mulliken definition states that electronegativity is the average of the ionization energy and the electron affinity.