What is the symbol, number of protons, atomic mass, neutron number, and atomic mass number for:
Nitrogen.
N, 7, 14.01, 7, 14
What does the Periodic Table show?
Elements and periodic trends
What is the electron configuration of Silicon?
1s22s22p63s23p2
An atom of Potassium loses one electron. Is the Potassium ion now negatively or positively charged?
What is the actual name of the hashtag symbol?
octothorpe
What is the symbol, number of protons, atomic mass, neutron number, and atomic mass number for:
Potassium.
K, 19, 39.1, 20, 39
In describing the electronic configurations of an element, the principal quantum number is represented with the letter ___.
n
What is the electron configuration of Carbon?
1s22s22p2
An atom of Potassium loses one electron. What is the value of the charge on the ion?
1+
What fun item that is helpful for movers was originally made to be 3D wallpaper?
Bubble wrap
What is the symbol, number of protons, atomic mass, neutron number, and atomic mass number for:
Polonium.
Po, 84, 209, 125, 209
In describing the electronic configuration of an element, the angular momentum quantum number is represented with the letter ___.
l
What is the name of another element in the Periodic Table that is expected to have chemical properties that are similar to the chemical properties of Argon?
Krypton
An atom of Potassium loses one electron. What is the symbol for the new Potassium ion?
K+
Where is the heart of a shrimp?
his head
What is the symbol, number of protons, atomic mass, neutron number, and atomic mass number for:
Radium.
Ra, 88, 226, 138, 226
Ununseptium, an element with Z=117 discovered in 2010, is expected to have similar chemical properties as other elements in the Periodic Table. List at least three of these elements:
1. At
2. Lv
3. Uuo
Why is Krypton expected to have similar chemical properties as Argon?
it is in the same family/group so they have the same number of electrons in the outer orbital
What group of elements is the least reactive?
Halogens
Alkali metals
Noble gases
Semiconductors
Noble gases
What is a group of flamingos called?
flamboyance
Who invented the Periodic Table?
Dmitri Mendeleev
Ununseptium, an element with Z=117, is a member of which group or family in the Periodic Table?
Halogen
What is one of the Alkali Metals?
Sodium
Which of the pairs of elements would most likely have a similar arrangement of outer electrons and have similar chemical behaviors.
a. Lithium and Potassium
b. Helium and Fluorine
c. Chlorine and Fluorine
d. Neon and Krypton
c. Chlorine and Fluorine
What is Cookie Monster's real name?
Sid