Atoms, Ions, & Isotopes
I am like an atom but I have a charge.
Ion
1s22s22p63s23p64s23d104p65s24d10
Cadmium (Cd)
Groups are to columns as periods are to ______.
Rows
0.037030 has ______ sig figs
5
Where did Mr. Siemens attend college?
Mizzou
A cation is to a positive charge as a/an _______ is to a negative charge.
Anion
The electrons located on the outermost shell of an atom.
Valence electrons.
Group: He, Ne, Kr, Xe, Rn
Noble Gases
Density = ?
Mass/Volume
What is the largest continent by land mass?
Asia
I have 54 protons, 77 neutrons, and 54 electrons.
Xenon (Xe)
Shorthand electron configuration of Yttrium
[Kr]5s24d1
This atom has the largest Atomic Radius.
Francium (Fr)
The standard number 4,670 is equal to the scientific notation number ________.
4.67 x 103
What is the most streamed TV show on Netflix?
Squid Game
A sample of Gallium with a mass number of 72. That means this sample of Gallium has ______ protons and ______ neutrons.
31 protons & 41 neutrons
Electrons are in the 2nd ring of the Bohr model of carbon
4
This atom has the highest electron affinity.
Fluorine (F)
1.2 x 10-1 in standard notation/form
0.12
Name all 3 VPs at Central
Dr. Larson
Mr. Tolen
Mr. Simpson
A sample of the isotope calcium-42 has a positive 2 charge. That means the sample has ______ protons, ______ neutrons, and ______ electrons.
20 protons, 22 neutrons, and 18 electrons
Lewis dot structure of silicon
*Draw on board*
Arrange the following in increasing ionization energies: N, Na, F, Li
Na, Li, N, & F
What is the density of an object with a mass of 23 g and a volume of 51 cm3?
0.45 g/cm3
How many students are currently in the sophomore class at Central? (Answers +/- 10 students will be counted)
425