Random
What is the capital of Colorado?
Part of the atom with a positive charge.
Proton
Atomic Number for Ar.
18
The time it takes for a radioisotope to decay to half of the original amount.
What is the atomic number of neon?
10
What is the one part of the human body that can't heal itself?
Teeth
Found in the nucleus of the atom.
Protons and Neutrons
Number of Electrons for Co.
27
An element has a half life of 5 days. That same element has been decaying for 25 days. How many half lives has it undergone?
What is an isotope?
Same number of protons, different number of neutrons.
What is Scotland's national animal?
Unicorn
There are an equal number of these two particles.
Protons and Electrons
Formula to calculate number of neutrons.
Mass Number - Atomic Number
How many grams remain if a 40 g sample has been decaying for 4 half lives?
2.5 g
Calculate the number of protons, neutrons, and electrons for sodium.
11 protons, 12 neutrons, 11 electrons
Which bird's eyes are bigger than its brain?
Ostrich
Name of the location where electrons are located.
Orbitals
Number of neutrons in Na.
12
What percent of carbon remains after 3 half lives?
12.5%
How do you calculate the number of electrons when there is a charge?
New York City has a unique species of which bug?
Ants
The meaning of neutral in terms of neutrons.
No Charge
Charge of an atom with 10 protons and 11 electrons.
-1
Tungsten has a half life of 4.7 seconds. After 28.2 seconds, how much a 200 g sample remains?
3.125 g
An element has a half life of 7.2 days. After 28.8 days, what percentage of that element remains?
6.25%